Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yuan ting » yuan ming, huang ting, yuan kang
hua rene » hua ren, juan rene
pham thi » ha thi
hong shu » cong shu, tong shui, wong shiu
yan hua » tan hua, ya hua, wang hua
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: ((yuan wang) OR (yuan ting)) yan hua rene ((pham thi) or (trang thu)) ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan ting)) yan hua rene ((pham thi) OR (trang thu)) ((hong shu) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) OR (yuan ting)) yan hua rene ((pham thi) or (trang thu)) ((hong shu) or (hong yu)) ;*".