Perhaps you should try some spelling variations:
yang hua » wang hua, yang hui, yang jui
ying hua » ming hua, wang hua, ying zhu
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
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling ((yang hua) or (ying 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: wang yanling ((yang hua) OR (ying 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: "wang yanling ((yang hua) or (ying hua)) rene ((yan jiu) or (yang jun)) ((long shu) OR (long du)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yanling ((yang hua) or (ying hua)) rene ((yan jiu) or (yang jun)) ((long shu) OR (long du)) ;*.