Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
human gene » human genome, human gender, human bone
liang tan » liang dan, liang sun, wing tan
tan kong » tan hong
a genre » _ genre, a gender, a gentle
wang » wing, wan, lang
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang hyoung yan ((a genre) or (human gene)) liang tan kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hyoung yan ((a genre) OR (human gene)) liang tan kong sar ;.
• Adding a wildcard symbol may retrieve word variants: wang hyoung yan ((a genre) or (human gene)) liang tan kong sar ;*.