Perhaps you should try some spelling variations:
wang liang » wang yang
test using » tests using, tested using, testing using
wing tan » wing ian, liang tan, hong tan
ying jin » yang jin, jing ji, yang jie
yang yi » yang xi, yang jui
using a » using _
a kong » w kong, tan kong, nan kong
sar » sara, 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) OR (wing tan)) ((((yang di) OR (ying jin))) OR (yang yi)) test using a kong sar ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (wing tan)) ((((yang di) or (ying jin))) or (yang yi)) test using a kong sar ;*.