Perhaps you should try some spelling variations:
tan cheng » tang zheng, yuan cheng, tan hong
cheng yan » cheng han, cheng guan, chen yang
wang yang » wang yan, wang liang, wang yanling
wang tan » wang yan, wang ban, wang dan
yan wang » yuan wang, yang yang, qian wang
yang xi » yang di, yang yi, yang jui
xi main » i main, ii main, iii main

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang tan cheng yan wang yang xi main (hat or heat) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang tan cheng yan wang yang xi main (hat OR heat) ;*.