Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
rana yang » apa yang, dan yang, tan yang
yang yang » wang yan
nie peng » jee peng, yin peng
yu gang » xu gang, yi gang, yu fang
yu yang » du yang, yi yang, yu fang
sen » seen, sein, send

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 (yu yang))) or (wang yang)) juan ((rana yang) OR (yang yang)) nie peng sen ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang ((((yu gang) OR (yu yang))) OR (wang yang)) juan ((rana yang) OR (yang yang)) nie peng sen ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang ((((yu gang) or (yu yang))) or (wang yang)) juan ((rana yang) OR (yang yang)) nie peng sen ;*".