Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
kong saur » kong siu, kong your, wong sau
tan yang » dan yang, tan ying, tan yong
ying hua » ming hua, wang hua, ying zhu
ying tan » wing tan, liang tan, ying bank
yang xi » yang di, yang yi, yang jui
sar » sara, star

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (tan yang)) ((ying hua) or (yang xi)) gene ying tan ((kong saur) OR (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (tan yang)) ((ying hua) OR (yang xi)) gene ying tan ((kong saur) OR (kong sar)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (tan yang)) ((ying hua) or (yang xi)) gene ying tan ((kong saur) OR (kong sar)) ;*".