Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
liang dan » liang tan, king dan, liang sun
kong saur » kong sar, kong siu, kong your
hua gene » human gene, a gene, hy5 gene
yang jin » yang jie, yang jun, ying jin
hua ren » hua chen

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) OR (hua ren)) ((liang dan) 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) OR (hua ren)) ((liang dan) OR (yang jin)) kong saur ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ran ((ying yang) or (yang yang)) ((hua gene) OR (hua ren)) ((liang dan) or (yang jin)) kong saur ;".
• Adding a wildcard symbol may retrieve word variants: ran ((ying yang) or (yang yang)) ((hua gene) OR (hua ren)) ((liang dan) or (yang jin)) kong saur ;*.