Perhaps you should try some spelling variations:
liang tan » liang dan, wing tan
liang sun » liang dan, wing sun
gain yang » dan yang, daun yang, yin yang
john wong » john song, john bonn
tan yang » dan yang, tan ying, tan yong
tan run » can run, bank run
wong w » wong _, hong w, wong y

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: ((liang tan) OR (liang sun)) tan run ((((gain yang) OR (wang yan))) OR (tan yang)) john wong w ;~.
• Adding a wildcard symbol may retrieve word variants: ((liang tan) or (liang sun)) tan run ((((gain yang) or (wang yan))) or (tan yang)) john wong w ;*.