Perhaps you should try some spelling variations:
yanling yang » ying yang
zhang ting » zhang ming, zhang jing, zhang ping
yang yang » wang yang, wang yan
hua irene » hua ren
ting hong » tin hong, tan hong, hong hong
hong shu » cong shu, tong shui, wong shiu
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) or (yang yang)) hua irene zhang ting hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yanling yang) OR (yang yang)) hua irene zhang ting hong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yanling yang) or (yang yang)) hua irene zhang ting hong shu ;*.