Perhaps you should try some spelling variations:
using bank » housing bank
test using » tests using, tested using, testing using
wang wang » wang yang, wang liang, wang yan
bank bond » bank bonds
bond sara » bond sale, bond data
qing 2 » qing _, qing 情, qing 1.2
ring 3 » ring _, ring 2.3, ring δ13
ring 2 » ring _, daring 2, firing 2

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 ((qing 2) or (((ring 3) OR (ring 2)))) test using bank bond sara ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang ((qing 2) OR (((ring 3) OR (ring 2)))) test using bank bond sara ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang ((qing 2) or (((ring 3) OR (ring 2)))) test using bank bond sara ;".
• Adding a wildcard symbol may retrieve word variants: wang wang ((qing 2) or (((ring 3) OR (ring 2)))) test using bank bond sara ;*.