Perhaps you should try some spelling variations:
liang yang » liang ying, wang yang, yang yang
huang yang » huang ying, huang chang, wang yang
gene yang » gene bank
hua gene » human gene, a gene, hua ren
yang thi » dang thi, yang chik, yang di
thi hong » tan hong
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((liang yang) or (huang yang)) hua gene yang thi hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang yang) OR (huang yang)) hua gene yang thi hong hai ;*.