Perhaps you should try some spelling variations:
ravi young » david young, romani young
yang zili » yang dali, yang li
klang die » klang der, klang iii, klaue die
gene bank » gene banks, one bank, genomen bank
bank ravi » bank rate, bank api, bank bali
young chi » young choi, young child, young hr
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yang zili) OR (klang die)) gene bank ravi young chi ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan ((yang zili) or (klang die)) gene bank ravi young chi ;*.