Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
hong hong » hong kong, hong jong, hong ng
dan yang » daun yang, tan yang, wang yang
hua rene » hua ren, juan rene
tran thi » trang thu
yan thi » yan zhi, dang thi, nhan 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 yang) or (dan yang))) or (hong hong)) wang hua rene ((yan thi) or (tran thi)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong yang) OR (dan yang))) OR (hong hong)) wang hua rene ((yan thi) OR (tran thi)) hong yu ;.
• Adding a wildcard symbol may retrieve word variants: ((((dong yang) or (dan yang))) or (hong hong)) wang hua rene ((yan thi) or (tran thi)) hong yu ;*.