Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
hua rene » hua ren, juan rene
rene yan » ren yan, rene ten, see yan
hong shu » cong shu, tong shui, wong shiu
yan thi » yan zhi, tran thi, dang thi
hong yu » wong yue
sin » sign, sind, skin

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) OR (yang yang))) or (dong sin)) ya hua rene yan thi ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong yang) OR (yang yang))) OR (dong sin)) ya hua rene yan thi ((hong shu) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong yang) OR (yang yang))) or (dong sin)) ya hua rene yan thi ((hong shu) or (hong yu)) ;*".