Perhaps you should try some spelling variations:
long trinh » long trip, long thanh
tang ching » hang china, tang chun, tang chinese
tang zheng » wang zheng, fang sheng, fang zhen
dong shui » tong shui, cong shu, tong hui
wen yong » wang yong, chen yong, zhen yong
kim dong » kim song, kim jong, kim young

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 ((tang ching) or (tang zheng)) wen yong kim dong shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long trinh ((tang ching) OR (tang zheng)) wen yong kim dong shui ;.
• Adding a wildcard symbol may retrieve word variants: long trinh ((tang ching) or (tang zheng)) wen yong kim dong shui ;*.