Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
gene we » gene w, gene one, gene set
tan one » than one, tan hong, tan kong
man one » many one, than one, man oder
can one » than one, can only
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: wang ((dong yang) or (yang yang)) a gene we ((((tan one) OR (man one))) or (can one)) saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((dong yang) OR (yang yang)) a gene we ((((tan one) OR (man one))) OR (can one)) saul ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((dong yang) or (yang yang)) a gene we ((((tan one) OR (man one))) or (can one)) saul ;*".