Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, wuhan china
peng liang » wang liang, yang liang, deng ziliang
yang yang » wang yang, wang yan
china won » china women, china wang, china who
won yang » wang yang, dong yang, dan yang
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: ((peng liang) or (yang yang)) yunnan china won yang 2 longer a ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((peng liang) OR (yang yang)) yunnan china won yang 2 longer a ;*.