Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
chong yun » chang yun, hong yu, chen yun
hua rene » hua ren, juan rene
rene ten » nine ten
ten minh » tuan minh, thi minh, ten high
yang yi » yang di, yang xi, yang jui
cong yu » hong yu, rong yu, cong shu

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

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