Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang gang » wang yang, wang liang, wang yan
gang sung » gang und, gang gong, hung sung
shang kai » shang hai
tan yang » dan yang, tan ying, tan yong
hong 7 » hong w, hong g
hong a » hong ma, hong w, kong a

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((tan yang) or (tan hong)) yuan wang gang sung ((shang kai) or (((hong 7) OR (hong a)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((tan yang) OR (tan hong)) yuan wang gang sung ((shang kai) OR (((hong 7) OR (hong a)))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((tan yang) or (tan hong)) yuan wang gang sung ((shang kai) or (((hong 7) OR (hong a)))) ;".
• Adding a wildcard symbol may retrieve word variants: wang ((tan yang) or (tan hong)) yuan wang gang sung ((shang kai) or (((hong 7) OR (hong a)))) ;*.