Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
china tan » china top, china two, china taiwan
tan yang » dan yang, tan ying, tan yong
2 longer » _ longer, 3 longer, a longer
longer a » longer _
yang 2 » yang _, yang 8, yang 4

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (wang yang)) tuan china tan yang 2 longer a ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (wang yang)) tuan china tan yang 2 longer a ;*.