Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
wei yang's » yiwei wang's
wei yang » pei yang, wei wang, wei shang
tan hua » tuan hua, wang hua, tan chia
long du » long do, long run, long did
long d » long do, 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 guang)) tan hua ((wei yang) OR (wei yang's)) 3.2 ((long d) or (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang guang)) tan hua ((wei yang) OR (wei yang's)) 3.2 ((long d) OR (long du)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang guang)) tan hua ((wei yang) OR (wei yang's)) 3.2 ((long d) or (long du)) ;*".