Perhaps you should try some spelling variations:
tested using » tests using, testing using, system using
yong liang » yang liang, song ligang, wang liang
test using » tests using, testing using
wang yong » wang yang, wang hyoung, wang yan
liang li » ling li, qiang li, liang wei
sara » stara, saura
sar » star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong liang li ((test using) OR (tested using)) bank ((kong sara) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong liang li ((test using) OR (tested using)) bank ((kong sara) OR (kong sar)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong liang li ((test using) OR (tested using)) bank ((kong sara) or (kong sar)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yong liang li ((test using) OR (tested using)) bank ((kong sara) or (kong sar)) ;*.