Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan
yang liang » wang liang, yan liang, yang yang
china reza » china real, china ren
wang yang » wang yan, wang liang, wang yanling
reza weng » ren weng
weng yi » wong yi
yi cong » yi rong, li cong, yan cong

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 yang) OR (((yang guang) OR (yang liang)))) can china reza weng yi cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (((yang guang) or (yang liang)))) can china reza weng yi cong shu ;*.