Perhaps you should try some spelling variations:
yang ying » yang yang, yang jing, huang ying
jeong ghi » hong ghi
hua gene » human gene, hua ren, hy5 gene
yang min » yang mind, yang jin, tang min
jeong mi » jeong _, jeong su, jeong 情
ying ya » ying yang, yang yao, king yax
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: yang ying ya ((hua gene) or (a gene)) yang min ((jeong ghi) or (jeong mi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang ying ya ((hua gene) OR (a gene)) yang min ((jeong ghi) OR (jeong mi)) ;.
• Adding a wildcard symbol may retrieve word variants: yang ying ya ((hua gene) or (a gene)) yang min ((jeong ghi) or (jeong mi)) ;*.