Perhaps you should try some spelling variations:
leong tang » leung tang
china yang » china ying, china wang, china chang
tang kong » tan kong, hong kong, king kong
yang tang » yang yang, tang tang, nang trang
tang jie » yang jie, tang li, yang jin
gong hui » tong hui, tong shui, gong si
wang hui » wang hua, wang zhi, wang wei

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

• Performing a fuzzy search may retrieve terms with similar spellings: leong tang kong china yang tang jie ((gong hui) or (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: leong tang kong china yang tang jie ((gong hui) OR (wang hui)) ;*.