Perhaps you should try some spelling variations:
wang liang » wang yang
human gene » human genome, human gender, human bone
jeong yeon » jeong hyeok, jeang yean, seung yeon
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
jin jeong » min jeong, jin song, kin keong
ya human » a human, das human, 2 human

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong yang) or (yang yang))) or (wang liang)) ya human gene (shang or chang) jin jeong yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong yang) OR (yang yang))) OR (wang liang)) ya human gene (shang OR chang) jin jeong yeon ;.
• Adding a wildcard symbol may retrieve word variants: ((((dong yang) or (yang yang))) or (wang liang)) ya human gene (shang or chang) jin jeong yeon ;*.