Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
pei yang » wei yang, hui yang, pei yun
y.c long » 3.1 long, 2.2 long, 2.4 long
3.2 long » 3.2 land
tuan vu » thanh vu, tuan hua
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 liang) OR (yang guang)) ((tuan vu) OR (tan hua)) pei yang ((y.c long) OR (3.2 long)) du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang guang)) ((tuan vu) or (tan hua)) pei yang ((y.c long) OR (3.2 long)) du ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang guang)) ((tuan vu) or (tan hua)) pei yang ((y.c long) OR (3.2 long)) du ;*.