Perhaps you should try some spelling variations:
chasse john » class john, chassama john, changed john
change john » changed john, change japan, channon john
wong shiu » wong siu, cong shu, song shin
wang yao » wang yan, gang yao, wang tao
yang yao » yang yang, wang yan, yang yi
yang jia » yang jie, yang jin, yang jing
jia when » jia shen, java when, a when

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yao) OR (yang yao)) yang jia when ((change john) or (chasse john)) wong shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yao) OR (yang yao)) yang jia when ((change john) OR (chasse john)) wong shiu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yao) OR (yang yao)) yang jia when ((change john) or (chasse john)) wong shiu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yao) OR (yang yao)) yang jia when ((change john) or (chasse john)) wong shiu ;*.