Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang wang » yang yang, yan wang, yang guang
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
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: wang yang wang zhi (rest or test) ((yang jin) OR (yang jie)) ((wong sau) or (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang wang zhi (rest OR test) ((yang jin) OR (yang jie)) ((wong sau) OR (wong sam)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang wang zhi (rest or test) ((yang jin) OR (yang jie)) ((wong sau) or (wong sam)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yang wang zhi (rest or test) ((yang jin) OR (yang jie)) ((wong sau) or (wong sam)) ;*.