Perhaps you should try some spelling variations:
zheng china » hang china, when china, zhejiang china
leung wang » leung tang
wang zheng » tang zheng, wang zhenpo, fang sheng
china won » china women, china wang, china who
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
tong hui » wang hui
yang xi » yang di, yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: leung wang zheng china won ((((yang jin) OR (yang jun))) or (yang xi)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: leung wang zheng china won ((((yang jin) OR (yang jun))) OR (yang xi)) tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "leung wang zheng china won ((((yang jin) OR (yang jun))) or (yang xi)) tong hui ;*".