Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
hua rein » hua ren, hua wei, a rein
rein yan » ren yan
hong shu » cong shu, tong shui, wong shiu
hong ghi » zhong zhi, hong g, hong hai
yan tan » tan tan, yan clan, yan guan
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 (dong sin)) ya hua rein yan tan ((hong shu) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (dong sin)) ya hua rein yan tan ((hong shu) OR (hong ghi)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (dong sin)) ya hua rein yan tan ((hong shu) or (hong ghi)) ;*.