Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
gain wang » yan wang
jeong ghi » jeong mi
hua gain » heat gain, run gain, hua ban
wang lin » wang li, wang qin, yang lin
hong ghi » zhong zhi, hong g, hong hai

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 (yang yang)) ya hua gain wang lin ((jeong ghi) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (yang yang)) ya hua gain wang lin ((jeong ghi) OR (hong ghi)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (yang yang)) ya hua gain wang lin ((jeong ghi) or (hong ghi)) ;*.