Perhaps you should try some spelling variations:
change using » change making
change ming » change making, change mowing, change timing
yan liang » yang liang, wang liang, you liang
yuan wang » yan wang, yuan kang, yuan chang
know when » know what, know them, know who
ban know » can know, a know, ban nor

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yuan wang)) ban know when ((change ming) OR (change using)) hong seo ;~.
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yuan wang)) ban know when ((change ming) or (change using)) hong seo ;*.