Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
test using » tests using, tested using, testing using
using bank » housing bank
bank bond » bank bonds
bond sara » bond sale, bond data
yang ai » yang di, yang xi, yang li
yang yi » yang di, yang xi, yang jui

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

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