Perhaps you should try some spelling variations:
tested using » test using, testing using, system using
tests using » test using, sets using, results using
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
ying jin » yang jin, jing ji, yang jie
sara » stara, saura
sar » star, saur

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 liang ying jin ((tested using) OR (tests using)) bank ((kong sara) OR (kong sar)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang ying jin ((tested using) or (tests using)) bank ((kong sara) or (kong sar)) ;*.