Perhaps you should try some spelling variations:
housing bonds » housing costs
test housing » cost housing, test using, era housing
wang liang » wang yang
bang dai » zhang dai
kong siu » kong eiu, dong sin, kong sar
wong siu » wong shiu, wong sau, wong siew
yang » lang

You may be able to get more results by adjusting your search query.

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