Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
peng sein » peng sen, peng kern
hua rene » hua ren, juan rene
wang qin » wang lin, wang qiao, wang jing
yu gang » yi gang, yu fang, yu wang
xu gang » zum gang, liu gang, zu gange
yang li » yang lin, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang ((((yu gang) OR (xu gang))) or (yang yang)) hua rene ((wang qin) or (yang li)) peng sein ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang ((((yu gang) OR (xu gang))) OR (yang yang)) hua rene ((wang qin) OR (yang li)) peng sein ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang ((((yu gang) OR (xu gang))) or (yang yang)) hua rene ((wang qin) or (yang li)) peng sein ;*".