Perhaps you should try some spelling variations:
wang liang » wang yang
case done » case one, have done
done sin » dong sin, done using, done so
jong min » gong min, song min, song ming
yang yue » wang yue, yang yun, yang yi
yang jui » yang judy, yang xi, yang yi
sin ce » since ce

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: some case done sin ce ((((jong min) OR (wang liang))) OR (yang di)) ((yang yue) OR (yang jui)) ;~.
• Adding a wildcard symbol may retrieve word variants: some case done sin ce ((((jong min) or (wang liang))) or (yang di)) ((yang yue) or (yang jui)) ;*.