Perhaps you should try some spelling variations:
buying notes » buying votes, being notes, studying notes
test buying » test using, just buying, test building
wang jing » wang ning, wang liang, wang yang
doing und » ding und, ring und, doing bad
bang dai » zhang dai
doing un » doing our, doing von, doing _
yang » lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang jing ((bang dai) or (yang di)) test buying notes ((doing un) OR (doing und)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang jing ((bang dai) OR (yang di)) test buying notes ((doing un) OR (doing und)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang jing ((bang dai) or (yang di)) test buying notes ((doing un) OR (doing und)) ;".
• Adding a wildcard symbol may retrieve word variants: wang jing ((bang dai) or (yang di)) test buying notes ((doing un) OR (doing und)) ;*.