Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
wang yang » wang liang, wang yanling
china tan » china top, china two, china taiwan
kongo sar » kong sar
tan yang » dan yang, tan ying, tan yong
dr kongo » dr congo, das kongo, dia kongo
yang dr » yang di, yang d, yang du

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) or (wang yan)) than china tan yang dr kongo sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (wang yan)) than china tan yang dr kongo sar ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang yan)) than china tan yang dr kongo sar ;*.