Perhaps you should try some spelling variations:
china wang » china yang, china chang, china zhang
china won » china women, china who, china why
yan clan » das clan, yan guan, yan yuan
yang jui » yang judy, yang di, yang yi
meng sam » wong sam
wan yan » wang yan, nan yan, wai yan
yang xi » yang di, yang yi

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

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