Perhaps you should try some spelling variations:
yang ying » yang yang, huang ying, liang ying
yang jing » wang jing, yang jin, huang jing
hua rene » hua ren, juan rene
yang jun » yang jui, pang jun, yang jin
long shu » cong shu, tong shui
yan jiu » yang jie, yang jin, pang jiu
long du » long d, long do, long run

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((yang ying) OR (yang jing)) hua rene ((yan jiu) or (yang jun)) ((long shu) or (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yang ying) OR (yang jing)) hua rene ((yan jiu) OR (yang jun)) ((long shu) OR (long du)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan ((yang ying) OR (yang jing)) hua rene ((yan jiu) or (yang jun)) ((long shu) or (long du)) ;*".