· Use accurate keywords. For example, use "hsql data" instead of "How to use hsql data."
· Make sure there is no typo. such as "detabase."
· Please SPACE between words，such as:"Java heap space"，for English content, But need not space within error log,
such as:"java.security.cert.CertificateException."
· Try changing a keyword. For example, try searching for "Date widget" when there is no related content of "Time widget."
· Try using a phrase or sentence when there are too many results. For example, try "Drop-down box widget",
when there are too many results for "widget."
