Perhaps you should try some spelling variations:
bank david » black david, mark david, park david
tang tang » taizong tang
tang yang » wang yang, yang yang, tan yang
bank ravi » bank rate, bank api, bank bali
young ghi » hong ghi, young get, young hr
yang li » yang lin, yang di, yang xi
li one » ii one
choi » chi, cho

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: tang tang yang li one ((bank david) OR (bank ravi)) ((young ghi) OR (young choi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tang tang yang li one ((bank david) OR (bank ravi)) ((young ghi) or (young choi)) ;~".
• Adding a wildcard symbol may retrieve word variants: tang tang yang li one ((bank david) OR (bank ravi)) ((young ghi) or (young choi)) ;*.