Perhaps you should try some spelling variations:
wang liang » wang yang
human gene » human genome, human gender, human bone
dong yang » dong hoang, wang yang, yang yang
jeong seo » jeong yeon, hong seo, jeong su
yang jui » yang judy, yang di, yang yi
yang xi » yang di, yang yi
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: ((dong yang) or (wang liang)) ya ((a gene) or (human gene)) ((yang jui) OR (yang xi)) jeong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang liang)) ya ((a gene) OR (human gene)) ((yang jui) OR (yang xi)) jeong seo ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (wang liang)) ya ((a gene) or (human gene)) ((yang jui) OR (yang xi)) jeong seo ;*".