Perhaps you should try some spelling variations:
china changes » china chang, china changqi, china chanted
changes made » changes a, changes due
yang guang » yang yang, yan guan, yang liang
hang china » han china, change china, ghana china
yan liang » yang liang, wang liang, you liang
dan hang » dan yang, dan dana, dan phan
nan yan » nan ya, wang yan, qian yan
wang » wing, wan, lang

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 hyoung ((((yan liang) OR (yang guang))) OR (nan yan)) dan hang china changes made ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((((yan liang) or (yang guang))) or (nan yan)) dan hang china changes made ;*.