Perhaps you should try some spelling variations:
long trinh » long trip, long thanh
trinh van » trinh xuan, trinh anh, thanh van
van ching » van chinh, van chien, van hung
ching wen » ching kwan, ching fein, ching hea
wang jing » wang ning, wang liang, wang yang
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
tong hui » wang hui
gong hui » tong shui, wang hui, gong si

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

• Performing a fuzzy search may retrieve terms with similar spellings: long trinh van ching wen ((wang jing) or (((yang jie) or (yang jui)))) ((tong hui) or (gong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long trinh van ching wen ((wang jing) OR (((yang jie) OR (yang jui)))) ((tong hui) OR (gong hui)) ;.
• Adding a wildcard symbol may retrieve word variants: long trinh van ching wen ((wang jing) or (((yang jie) or (yang jui)))) ((tong hui) or (gong hui)) ;*.