Perhaps you should try some spelling variations:
change timing » change living, change testing, change finding
yan liang » yang liang, wang liang, you liang
yuan wang » yan wang, yuan chang, qian wang
yuan kang » yuan chang, chan kang, yuan kai
know when » know what, know them, know who
ban know » can know, a know, ban nor
hong » long

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) OR (yuan kang)))) ban know when change timing hong seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (((yuan wang) OR (yuan kang)))) ban know when change timing hong seo ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (((yuan wang) OR (yuan kang)))) ban know when change timing hong seo ;*.