Perhaps you should try some spelling variations:
dong hoang » hong hong
dong yang » wang yang, yang yang, dan yang
lim zhong » lim chong, ji zhong
zhong zhi » zhang zhi, hong ghi, zhong tai
hua gene » human gene, hy5 gene
tang lim » tang li, jung lim, tang jie
hua ren » hua chen
a gene » a genre, a gender, a gentle

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((dong yang) OR (dong hoang)) ((((hua gene) or (hua ren))) or (a gene)) tang lim zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((dong yang) OR (dong hoang)) ((((hua gene) OR (hua ren))) OR (a gene)) tang lim zhong zhi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((dong yang) OR (dong hoang)) ((((hua gene) or (hua ren))) or (a gene)) tang lim zhong zhi ;*".