Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
tuan hua » tan hua, yuan hui
yang 3.2 » zwang 3.2, yang 4.3
yang y.c » yang yi, yang yao, yang 4.3
tuan vu » thanh vu
long do » long d, long du, longer do

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)) ((tuan hua) or (tuan vu)) pei ((yang 3.2) OR (yang y.c)) long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang guang)) ((tuan hua) OR (tuan vu)) pei ((yang 3.2) OR (yang y.c)) long do ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang guang)) ((tuan hua) or (tuan vu)) pei ((yang 3.2) OR (yang y.c)) long do ;*".