Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
wang yuan » wang yuhan, wang yan, fang yuan
chang run » chang yun, chang hsun, chang ann
hong than » hong tan, long thanh
dan yang » daun yang, tan yang, wang yang
yang lin » yang jin, wang lin, yang li
hong hai » shang hai, zhong tai, hong tan
run dan » run gain, run pain

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan chang run dan yang lin ((((hong hai) or (dang hai))) or (hong than)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan chang run dan yang lin ((((hong hai) OR (dang hai))) OR (hong than)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yuan chang run dan yang lin ((((hong hai) or (dang hai))) or (hong than)) ;*.