Syntax query
There are several search alternatives, everything from a regular search to searching within special fields.

Regular search
“demo”
Finds every document containing the word “demo”.

“demo customer”
Finds every document containing the words “demo” or “customer”.

Syntax search ‘Alta Vista’-style
“+demo +customer”
Lists every document containing the words “demo” and “customer”.

“demo –customer”
Lists every document containing the word demo while at the same
time NOT containing the word “customer”.

Wildcard characters
“de*”
Lists every document containing words starting with “de-”.