Perhaps you should try some spelling variations:
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
sang minh » kang minah, anh minh, song min
dang hari » dang hai
yang jin » yang jie, yang jun, ying jin
hong ng » hong kong, hong jong, hong hong
a gene » a genre, a gender, a gentle
i a » i am

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 (wang yang)) i a gene ((sang minh) or (yang jin)) ((hong ng) or (dang hari)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang yang)) i a gene ((sang minh) OR (yang jin)) ((hong ng) OR (dang hari)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (wang yang)) i a gene ((sang minh) or (yang jin)) ((hong ng) or (dang hari)) ;*.