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

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 yang) OR (yang guang)) ((thanh vu) OR (tan hua)) pei yang 3.2 longer do ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang guang)) ((thanh vu) or (tan hua)) pei yang 3.2 longer do ;*.