Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
wei yang's » yiwei wang's
yan guan » gan guan, yan yuan, yang guang
wei yang » pei yang, wei wang, wei shang
tan hua » tuan hua, wang hua, tan chia
de long » le long, de longue
long do » long d, long du, longer do

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 liang) OR (yan guan)) tan hua ((wei yang) OR (wei yang's)) de long do ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yan guan)) tan hua ((wei yang) or (wei yang's)) de long do ;*.