Perhaps you should try some spelling variations:
yong qiang » gong qiang, yang liang
yong phang » kong hang, ying chang
using bank » housing bank
bank kong » bank long, bank bond
lai test » lait test, api test, i test
ai test » api test, i test, ii test
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 ((yong qiang) or (yong phang)) ((lai test) or (ai test)) using bank kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yong qiang) OR (yong phang)) ((lai test) OR (ai test)) using bank kong sar ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yong qiang) or (yong phang)) ((lai test) or (ai test)) using bank kong sar ;*.