Perhaps you should try some spelling variations:
using change » using exchange, putting change, sensing change
yang using » yang jing, making using, change using
wang liang » wang yang
chen yang » chen rong
change 10 » change 1, change 11, change 10.4
nta chen » ta chen, a chen, hua chen
yang xi » yang jui
yang yi » yang jui
ngo a » ngos a, neo a, ngo 1

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: ((((wang liang) OR (yang xi))) OR (((yang yi) OR (yang di))))ngo a nta chen yang using change 10 ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang liang) or (yang xi))) or (((yang yi) or (yang di))))ngo a nta chen yang using change 10 ;*.