Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
ying bank » using bank, big bank
kong saur » kong sar, kong siu, kong your
hua gene » human gene, a gene, hua ren
wing tan » wing ian, liang tan, hong tan
yang jin » yang jie, yang jun, ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ran ((ying yang) or (yang yang)) hua gene ((((wing tan) or (ying bank))) or (yang jin)) kong saur ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ran ((ying yang) OR (yang yang)) hua gene ((((wing tan) OR (ying bank))) OR (yang jin)) kong saur ;.
• Adding a wildcard symbol may retrieve word variants: ran ((ying yang) or (yang yang)) hua gene ((((wing tan) or (ying bank))) or (yang jin)) kong saur ;*.