Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang liang » wang yang
china reza » china real, china ren
yang wang » yang yang, yan wang, yang liang
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: ((yang wang) OR (((yang guang) OR (wang liang)))) can china reza weng yi cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang wang) or (((yang guang) or (wang liang)))) can china reza weng yi cong shu ;*.