Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
keong yeon » jeong yeon
wang lin » wang qin, yang lin, wang limin
kyaw kin » kyaw min
wang li » wang lei, tang li, wang di
di test » ai test, i test, disk test
ii test » ai test, i test, api test

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 lin) OR (wang li)) fang ((di test) OR (ii test)) kyaw kin ((keong yeon) OR (seung yeon)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang lin) OR (wang li)) fang ((di test) or (ii test)) kyaw kin ((keong yeon) or (seung yeon)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang lin) OR (wang li)) fang ((di test) or (ii test)) kyaw kin ((keong yeon) or (seung yeon)) ;*.