Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
test using » tests using, tested using, testing using
wang yang » wang yan, wang liang, wang yanling
yang dali » yang di, yang all, yang li
bang dai » zhang dai
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang shiyong) or (wang yang)) ((yang dali) or (bang dai)) test using a kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang shiyong) OR (wang yang)) ((yang dali) OR (bang dai)) test using a kong sar ;.
• Adding a wildcard symbol may retrieve word variants: ((wang shiyong) or (wang yang)) ((yang dali) or (bang dai)) test using a kong sar ;*.