Perhaps you should try some spelling variations:
tan cheng » tang zheng, yuan cheng, tan hong
cheng han » chen hao
wang yang » wang yan, wang liang, wang yanling
gong gang » hong gang, gong qiang, gongs gong
zhang zhi » zhong zhi, wang zhi, zhang wei
tan wang » tan yang, yan wang, qian wang
rui » ruiz

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

• Performing a fuzzy search may retrieve terms with similar spellings: tan cheng han rui tan wang yang ((gong gang) or (zhang zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan cheng han rui tan wang yang ((gong gang) OR (zhang zhi)) ;*.