Perhaps you should try some spelling variations:
tests using » test using, tested using, sets using
using bank » housing bank
wang wang » wang yang, wang liang, wang yan
bank bond » bank bonds
bond sale » bond sales, bond rate
yang 13 » yang 4.3, zwang 13
yang 47 » yang 4, yang 4.3

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang ((yang 13) or (yang 47)) tests using bank bond sale ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang ((yang 13) OR (yang 47)) tests using bank bond sale ;.
• Adding a wildcard symbol may retrieve word variants: wang wang ((yang 13) or (yang 47)) tests using bank bond sale ;*.