The basic method of searching is similar to that of Google. Search phrases can appear as either individual words, or as quoted phrases, and can be positive or negative modifiers.
Here are some examples:
|search engine||Returns all searches that contain at least one of the words search and engine|
|"search engine"||Returns all searches that contain the phrase search engine|
|+"search engine" tools||Returns all searches that contain the phrase search engine and possibly the word tools (which would be a higher ranking)|
|+"search engine" -tools||Returns all searches that contain the phrase search engine and NOT the word tools|
Then the score is adjusted based on the number of phrases searched on, and the popularity of the result in ClickBank.
Search engine provided by L-Space Design