Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang yang » wang yan, wang liang, wang yanling
yang hua » wang hua, yang hui, ying hua
hua rene » hua ren, juan rene
phan thi » pham thi, nhan thi
tran thi » trang thu
hong shu » cong shu, tong shui, wong shiu

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 yang hua rene ((phan thi) or (tran thi)) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang yang hua rene ((phan thi) OR (tran thi)) hong shu ;*.