Perhaps you should try some spelling variations:
housing bonds » housing costs
test housing » cost housing, test using, era housing
bonds using » bounds using, bonds being, lands using
wang ning » wang jing, wang liang, wang yang
zhang dai » zhang fan, zhang wei, zhang yan
using sin » using sia, using six, using soil

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

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