Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
yuan wang » yan wang, yuan kang, yuan chang
yang xi » yang di, yang yi, yang jui
hong ng » hong kong, hong jong, hong hong
a a » a la
test » text, west, best

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ying yang) OR (yang yang)) a a test ((yang xi) or (((yiqian wang) or (yuan wang)))) hong ng ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ying yang) OR (yang yang)) a a test ((yang xi) OR (((yiqian wang) OR (yuan wang)))) hong ng ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ying yang) OR (yang yang)) a a test ((yang xi) or (((yiqian wang) or (yuan wang)))) hong ng ;*".