There is no limit for Google's keyword search as long as you are not doing it by means any automation.
no
They really dont' have a limit and really don't care. Also, why would you want to know?
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There is only one kind of Google Search engine. It is the one which allows to search throughout web.
A google is a search engine so that "one Google to the power of one Google" makes no sense.
The Reason may be the following:Site limit failurePhrase search inaccurateHidden query termsField search in combinationField search command failmalware attack etc.
One of the best search engines to search for people is Google.
Google and Yahoo are the best search engine.
googlewhack
Michael Jackson
One way to limit the number of hits from a search engine would be by using Goggle Advanced search to limit the amount of searches made by the search engine. This would help prevent it from searching for useless unneeded information.