Perhaps you should try some spelling variations:
enhance human » enhancing human
yi enhance » ai enhanced, ii enhanced, _ enhance
human wang » human ways, yuan wang
qian yan » qian jun, qian yi
yang jin » yang jie, yang jun, ying jin
wang wei » zhang wei, wang zhi
yang li » yang lin, yang di, tang li
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian yan ((((((yang li) or (yang jin))) or (yang xi))) or (yang yi)) yi enhance human wang wei ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan ((((((yang li) OR (yang jin))) OR (yang xi))) OR (yang yi)) yi enhance human wang wei ;*.