Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
wang kang » wang yang, wang liang, wang yong
china dan » china den, china data, china des
dan yang » daun yang, tan yang, wang yang
hong hai » shang hai, zhong tai, dang hai
yang li » yang lin, yang di, yang xi
li hong » le hong, li cong, li rong

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

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