Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yang 3.2 » zwang 3.2, yang 4.3
yang y.c » yang yi, yang yao, yang 4.3
long ago » long arm
tan hua » tuan hua, wang hua, tan chia
hua pei » hua wei
long d » long do, long du, long _

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: ((wang yang) OR (yang yang)) tan hua pei ((yang 3.2) OR (yang y.c)) ((long ago) OR (long d)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (yang yang)) tan hua pei ((yang 3.2) OR (yang y.c)) ((long ago) or (long d)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yang yang)) tan hua pei ((yang 3.2) OR (yang y.c)) ((long ago) or (long d)) ;*.