Perhaps you should try some spelling variations:
tang ching » hang china, tang chun, tang zheng
long tang » long range, leung tang, long thanh
tang tang » taizong tang
chen yang » chen rong
wen yang » wei yang, wen wang, wang yang
kim tong » kim song, kim dong, kim jong
tong hui » wang hui

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

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