Perhaps you should try some spelling variations:
wang liang » wang yang
yang guang » yang yang, yan guan, yang liang
3.2 longer » 3.2 langere, 3.2 long, 3 longer
tuan hua » tuan vu, yuan hui
wei yang » pei yang, wei wang, wei yang's
yang 3.2 » zwang 3.2, yang 4.3, yang y.c
longer a » longer _
tan hua » wang hua, tan chia, tan puay

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 guang)) ((tuan hua) OR (tan hua)) wei yang 3.2 longer a ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (yang guang)) ((tuan hua) or (tan hua)) wei yang 3.2 longer a ;*.