Perhaps you should try some spelling variations:
hong yang » hong gang, hong wang, huang yang
dong yang » dong hoang, wang yang, yang yang
dam rein » dam region, am rhein, der rein
hong ghi » zhong zhi, hong g, hong hai
di rein » i rein, der rein
hong yu » wong yue
tang » tan, lang, gang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((hong yang) OR (dong yang)) ((di rein) or (dam rein)) tang li ((hong ghi) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((hong yang) OR (dong yang)) ((di rein) OR (dam rein)) tang li ((hong ghi) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((hong yang) OR (dong yang)) ((di rein) or (dam rein)) tang li ((hong ghi) or (hong yu)) ;*".