Perhaps you should try some spelling variations:
yang wang » yang yang, yan wang, yang guang
yuan wang » yan wang, yuan kang, yuan chang
hua chen » jui chen, yu chen, a chen
chen yan » chen yang, chen tan, chen yun
song ghi » hong ghi, song shin
yan jiu » yang jie, yang jin, pang jiu
song li » song lina, dong liu, song jin

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) or (wang yan))) or (yuan wang)) hua chen yan jiu ((song ghi) or (song li)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yang wang) OR (wang yan))) OR (yuan wang)) hua chen yan jiu ((song ghi) OR (song li)) ;.
• Adding a wildcard symbol may retrieve word variants: wang ((((yang wang) or (wang yan))) or (yuan wang)) hua chen yan jiu ((song ghi) or (song li)) ;*.