Perhaps you should try some spelling variations:
test housing » cost housing, era housing, tested using
yang davis » wang david, yang dali
test using » tests using, tested using, testing using
wang yang » wang liang, wang yanling
bank kong » bank long, bank bond
kong saur » kong sar, kong siu, kong your

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

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