Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan jing » bian jing
test using » tests using, tested using, testing using
using bank » housing bank
bond data » beyond data, board data, round data
bond sale » bond sales, bond rate
jing fit » being fit, jing ji, jing jia
fit test » fit tests, first test, lait test

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan jing fit test using bank ((((bond sara) OR (bond data))) or (bond sale)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan jing fit test using bank ((((bond sara) OR (bond data))) OR (bond sale)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan jing fit test using bank ((((bond sara) OR (bond data))) or (bond sale)) ;*".