Perhaps you should try some spelling variations:
housing bank » housing bonds
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
housing a » housing _
kong sara » kong sar
yang api » yang dali, yang di, yang jui
api cost » api test, ii cost

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 yang api cost ((housing bank) OR (housing a)) kong sara ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yang api cost ((housing bank) OR (housing a)) kong sara ;".
• Adding a wildcard symbol may retrieve word variants: wang yong yang api cost ((housing bank) OR (housing a)) kong sara ;*.