Perhaps you should try some spelling variations:
leong tang » leung tang
ming china » kong china, facing china
china kwan » ching kwan, china kai, china wang
wang liang » wang yang
tang ming » tang min, zhang ming, sang minh
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
wang hui » wang hua, wang zhi, wang wei

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: leong tang ming china kwan ((((wang liang) OR (yang jin))) OR (yang jun)) wang hui ;~.
• Adding a wildcard symbol may retrieve word variants: leong tang ming china kwan ((((wang liang) or (yang jin))) or (yang jun)) wang hui ;*.