Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
hua rene » hua ren, juan rene
dan hua » tan hua, wang hua, dong hua
jing ji » ying jin
yang yi » yang di, yang jui
yang xi » yang di, yang jui
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) OR (yang yang)) dan hua rene ((jing ji) or (((yang yi) or (yang xi)))) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) dan hua rene ((jing ji) OR (((yang yi) OR (yang xi)))) hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) OR (yang yang)) dan hua rene ((jing ji) or (((yang yi) or (yang xi)))) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) OR (yang yang)) dan hua rene ((jing ji) or (((yang yi) or (yang xi)))) hong yu ;*.