Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
dang hari » dang hai
anh tuan » anh tran, dinh tuan, oanh tran
qian yan » qian jun, qian yi
yang lin » yang jin, wang lin, yang li
yang jui » yang judy, yang di, yang xi
vu gain » you gain, run gain, via gain

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

• Performing a fuzzy search may retrieve terms with similar spellings: wai ((anh tuan) or (qian yan)) vu gain ((((wang yang) or (yang lin))) or (yang jui)) dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai ((anh tuan) OR (qian yan)) vu gain ((((wang yang) OR (yang lin))) OR (yang jui)) dang hari ;.
• Adding a wildcard symbol may retrieve word variants: wai ((anh tuan) or (qian yan)) vu gain ((((wang yang) or (yang lin))) or (yang jui)) dang hari ;*.