Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
tuan china » wuhan china, can china, taiwan china
yang yang » wang yang, wang yan
china key » china's key, china kai
key zwang » kein zwang, der zwang, dem zwang
zwang 3.2 » zwang 2.2
long do » long du, longer do, long ago
long d » long du, long _, long 2
long a » along a, 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)) tuan china key zwang 3.2 ((((long do) OR (long d))) or (long a)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) tuan china key zwang 3.2 ((((long do) OR (long d))) OR (long a)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang yang)) tuan china key zwang 3.2 ((((long do) OR (long d))) or (long a)) ;*".