Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
wen zwang » wen wang, kein zwang, der zwang
zwang 3.2 » zwang 2.2
tan chia » tuan china, than china, dan china
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) ((tan chia) OR (can china)) wen zwang 3.2 ((long d) OR (long do)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang yang)) ((tan chia) or (can china)) wen zwang 3.2 ((long d) OR (long do)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang yang)) ((tan chia) or (can china)) wen zwang 3.2 ((long d) OR (long do)) ;*.