Perhaps you should try some spelling variations:
dong nana » dong nan, dong yang
nana yana » nana yaa, nan yan
hua irene » hua ren
irene yan » irene a, ren yan
yana hua » wang hua, tan hua, ya hua
hong shu » cong shu, tong shui, wong shiu
yan thi » yan zhi, tran thi, dang thi
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: dong nana yana hua irene yan thi ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong nana yana hua irene yan thi ((hong shu) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: dong nana yana hua irene yan thi ((hong shu) or (hong yu)) ;*.