Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
wang yang » wang yan, wang liang, wang yanling
yuan wang » yan wang, yuan kang, yuan chang
can kong » tan kong, can hong, nan kong
yang xi » yang di, yang jui
yang yi » yang di, yang jui
gene we » gene w, gene one, gene set
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 yang) or (((yuan wang) or (yuan cheng)))) ((yang xi) OR (yang yi)) gene we can kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (((yuan wang) OR (yuan cheng)))) ((yang xi) OR (yang yi)) gene we can kong sar ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (((yuan wang) or (yuan cheng)))) ((yang xi) OR (yang yi)) gene we can kong sar ;*".