Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yang zili » yang dali
yan wang » yuan wang, yang yang, qian wang
we thank » we think, we talk, _ thank
one sara » wie sara, one bard
yang li » yang lin, yang di, yang xi
we than » well than, we think

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (yuan chang)) ((yang zili) or (yang li)) gene ((we than) OR (we thank)) one sara ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yuan chang)) ((yang zili) OR (yang li)) gene ((we than) OR (we thank)) one sara ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (yuan chang)) ((yang zili) or (yang li)) gene ((we than) OR (we thank)) one sara ;*".