I want to find all apps that do a certain thing. People all over the internet make lists containing some of these apps. For example I want to make a list of all Quantified Self apps. I first search for zenobase and exist.io and find pages mentioning gyroscope and quantimodo. I add those to the search string and receive just the one Quantimodo page. If I add OR between each of the 4 proper nouns (zenobase OR exist.io OR gyroscope OR quantimodo) I get each word mentioned once instead of whatever pages mention many of these words. First URL is just zenobase.com. How do I find pages with alot of these items mentioned?
Google-search – I want search engine to find sites containing the most the rare proper nouns I search for
google-searchsearch-engine
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I don't know the exact answer - perhaps no one outside of Google knows. But I have two data points which may be useful.
The first is XKCD's take on the issue:
So it really looks like there’s a certain threshold of result volume beyond which Google apparently says “screw it” and throws out a gigantic number. I imagine this is probably due to incompetence rather than intentional deception; I’m sure it’s hard to generate pages quickly from many sources, and maybe for searches with a lot of results they don’t have time to get it all synced up. So they fudge the numbers. The fact that this makes it look like they have way more results than they do is presumably just an unintended bonus.
The second data point is from a computer science professor I had who was quite curious about the issue and bothered some friends at Google about it. They told him that sometimes it becomes very expensive to figure out how many results were really returned from a search, so they just make a best guess and return the first page of results, which is all most people care about. Only when you actually start drilling down through the pages does Google bother to fully calculate the remaining pages.
So neither of these is a definitive answer, but hopefully they will be useful at explaining the kinds of issues that may be causing Google's inaccuracies.
EDIT:
Sathya's answer on this page has an answer from Google's Webmaster KB.
When you perform a search, the results are often displayed with the information: Results 1 - 10 of about XXXX.
Google's calculation of the total number of search results is an estimate. We understand that a ballpark figure is valuable, and by providing an estimate rather than an exact account, we can return quality search results faster.
In addition, when you click on the next page of search results, the total number of search results can change. In this case, we realize that some of the query results are duplicates, and collapse those duplicates so that you can find the specific result you're looking for more easily. Collapsing the duplicates decreases the estimated number of results, as well as the overall number of results pages.
Why use Tineye and then search for text on Google? Search for the image on Google and use the date range like you were: google search
Remember, you can just drag and drop an image into Google image search (it'll even figure out the name of the image like it did in my search example) which is pretty awesome actually.
However, be careful, as the date Google shows in its results may not reflect the actual date the page or image was created!
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Best Answer
Type this "example" in browser also if you want to find two subjects within same post try this "example" +"example". But if you want to exclude something try this "example" - "example"