Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yang yao » wang yan, yang yi, yang fan
nine ten » nine step, nine eu, nine von
nine red » eine re, nine add, nine eu
yao hua » ya hua
cong yu » hong yu, chong yun, cong shu
rong yu » hong yu, rong su, 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: yang yang yao hua ((nine ten) OR (nine red)) minh ((cong yu) or (rong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang yao hua ((nine ten) OR (nine red)) minh ((cong yu) OR (rong yu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang yao hua ((nine ten) OR (nine red)) minh ((cong yu) or (rong yu)) ;".
• Adding a wildcard symbol may retrieve word variants: yang yang yao hua ((nine ten) OR (nine red)) minh ((cong yu) or (rong yu)) ;*.