Perhaps you should try some spelling variations:
tested using » tests using, system using
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
test using » tests using
bank loans » bank loan
loans sara » loans data
ying ai » using ai, ying jin

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 ai ((((tested using) OR (test using))) OR (testing using)) bank loans sara ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ying ai ((((tested using) OR (test using))) or (testing using)) bank loans sara ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ying ai ((((tested using) OR (test using))) or (testing using)) bank loans sara ;*.