Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
zhong tai » hong tan, zhong zhi
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, dang hai, hong tan
hua ren » hua chen
jing ji » ying jin
yan xi » yang xi, yan zi
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan xi ((hua ren) or (human gene)) ((yang jin) or (jing ji)) ((hong hai) OR (zhong tai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan xi ((hua ren) OR (human gene)) ((yang jin) OR (jing ji)) ((hong hai) OR (zhong tai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan xi ((hua ren) or (human gene)) ((yang jin) or (jing ji)) ((hong hai) OR (zhong tai)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yan xi ((hua ren) or (human gene)) ((yang jin) or (jing ji)) ((hong hai) OR (zhong tai)) ;*.