Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
zhong tai » hong tan, hong hai, zhong zhi
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
hua ren » hua chen
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 (yang jie)) 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 (yang jie)) zhong tai ;.
• Adding a wildcard symbol may retrieve word variants: wang yan xi ((hua ren) or (human gene)) ((yang jin) or (yang jie)) zhong tai ;*.