Perhaps you should try some spelling variations:
doing hoang » dong hoang
alia hua » li hua
hua gene » human gene, a gene, hua ren
gene yan » gene bank, ren yan, see yan
hong ghi » zhong zhi, hong g
hong hai » shang hai, zhong tai, dang hai
yan jiu » yang jie, yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doing hoang alia hua gene yan jiu ((kong sar) or (((hong ghi) OR (hong hai)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doing hoang alia hua gene yan jiu ((kong sar) OR (((hong ghi) OR (hong hai)))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doing hoang alia hua gene yan jiu ((kong sar) or (((hong ghi) OR (hong hai)))) ;".
• Adding a wildcard symbol may retrieve word variants: doing hoang alia hua gene yan jiu ((kong sar) or (((hong ghi) OR (hong hai)))) ;*.