Perhaps you should try some spelling variations:
using bank » housing bank
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
bank bond » bank bonds
bond sara » bond sale, bond data
13 tests » 1 tests, 10 tests, 3 tests
19 tests » 1 tests, 10 tests, 9 tests

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 tests) OR (19 tests)) using bank bond sara ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yang ((13 tests) OR (19 tests)) using bank bond sara ;".
• Adding a wildcard symbol may retrieve word variants: wang wang yang ((13 tests) OR (19 tests)) using bank bond sara ;*.