Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
tan chia » tuan china, than china, can china
pei yang » wei yang, hui yang, pei yun
h yang » _ yang, hui yang
2 long » a long, 3.2 long, 6.2 long
3 long » a long, 3.2 long, 3.1 long

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang liang) or (yang guang)) tan chia ((pei yang) or (h yang)) ((2 long) OR (3 long)) du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang guang)) tan chia ((pei yang) OR (h yang)) ((2 long) OR (3 long)) du ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang guang)) tan chia ((pei yang) or (h yang)) ((2 long) OR (3 long)) du ;*".