Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
wei gang » wei guang, wei wang, wei shang
wei yang » pei yang, wei wang, wei yang's
tan hua » tuan hua, wang hua, tan chia
long do » long du, longer do, long ago
long d » long du, long _, long 2

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