Perhaps you should try some spelling variations:
dong hoang » hong hong
juan rene » juan meng, juan rana
yuan wang » yan wang, yuan kang, yuan chang
yang jie » yang jin, yang di, yang jui
ying jin » yang jin, jing ji
vu juan » v juan, vu tuan, rud juan
hong g » hong ng, hong w, hong 7

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((done hoang) OR (dong hoang)) vu juan rene ((yuan wang) or (((yang jie) or (ying jin)))) hong g ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((done hoang) OR (dong hoang)) vu juan rene ((yuan wang) OR (((yang jie) OR (ying jin)))) hong g ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((done hoang) OR (dong hoang)) vu juan rene ((yuan wang) or (((yang jie) or (ying jin)))) hong g ;".
• Adding a wildcard symbol may retrieve word variants: ((done hoang) OR (dong hoang)) vu juan rene ((yuan wang) or (((yang jie) or (ying jin)))) hong g ;*.