Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang wang » yang yang, yan wang, yang guang
hua rein » hua ren, hua wei, a rein
wong sam » wong sau, wong lai, wong max
yan jiu » yang jie, yang jin, pang jiu
von sam » von sa, von sap, von scham
sar » sara, star, saur

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 hua rein ((yan jiu) or (yang di)) ((((wong sam) OR (von sam))) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang wang hua rein ((yan jiu) OR (yang di)) ((((wong sam) OR (von sam))) OR (kong sar)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang wang hua rein ((yan jiu) or (yang di)) ((((wong sam) OR (von sam))) or (kong sar)) ;*".