Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
tong shui » tong hui, cong shu
von xing » von xin, von doing, fan xing
gong hui » tong hui, wang hui, gong si
shi von » si von, shi rong
xi shi » yi shi, li shi

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

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