Perhaps you should try some spelling variations:
test using » tests using, tested using, testing using
using bank » housing bank
yang ying » yang jing, huang ying, liang ying
yang yang » wang yang, wang yan
bond sara » bond sale, bond data
fit test » fit tests, first test, lait test
rate » rates

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 ying) OR (yang yang)) fit test using bank ((bond sara) or (bond rate)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang ying) OR (yang yang)) fit test using bank ((bond sara) OR (bond rate)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang ying) OR (yang yang)) fit test using bank ((bond sara) or (bond rate)) ;*".