Perhaps you should try some spelling variations:
ravi young » david young, romani young
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
gene bank » gene banks, one bank, genomen bank
bank ravi » bank rate, bank api, bank bali
young ghi » young choi, hong ghi, young get
dan yang » daun yang, tan yang, adam yang

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: wan ((((dan yang) OR (wang yang))) OR (yang yang)) july gene bank ravi young ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan ((((dan yang) OR (wang yang))) or (yang yang)) july gene bank ravi young ghi ;~".
• Adding a wildcard symbol may retrieve word variants: wan ((((dan yang) OR (wang yang))) or (yang yang)) july gene bank ravi young ghi ;*.