Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
yang 3.2 » zwang 3.2, yang y.c
yang 4.3 » lng 4.3, yang 47, yang y.c
long ago » long arm
tuan vu » thanh vu, tuan hua
long du » long d, long do, long run
vu pei » vu phi

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 pei ((yang 3.2) OR (yang 4.3)) ((long ago) OR (long du)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang guang)) tuan vu pei ((yang 3.2) OR (yang 4.3)) ((long ago) or (long du)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang guang)) tuan vu pei ((yang 3.2) OR (yang 4.3)) ((long ago) or (long du)) ;*.