start with tag: to bring up pages tagged with your keyword
add orderby:date at the end to show results in date order.
use synonyms if your search shows no results.
recent searches are only visible by you and are cleared when you log out
append search with orderby:date desc to display in reverse date order.
try to use more specific keywords to narrow your search.
to search in only one folder add 'infolder:foldername' after the keyword
enter 'history:' to show your search history
add orderby:title at the end to show results in alphabetical order.
The stars indicate how relevent the result is to your keywords