Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
sang minh » kang minah, anh minh, song min
minh hong » minh cong, min hong, linh hoang
hua west » a west, hua wei, out west
ost west » east west
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 west) or (ost west)) sang minh hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (yang yang)) ya ((hua west) OR (ost west)) sang minh hong ghi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) OR (yang yang)) ya ((hua west) or (ost west)) sang minh hong ghi ;".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) OR (yang yang)) ya ((hua west) or (ost west)) sang minh hong ghi ;*.