Perhaps you should try some spelling variations:
yong weng » yong ben
weng fang » jing fang, wen wang
yan guan » gan guan, yan yuan, yang guang
juan tan » huan t'an, juan rana, juan a
tan yong » tan hong, tan kong, tan yang
yan san » yan clan, yan wang, yan yuan
fang ca » fang a, kang ca, fang xia

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan ((yan san) or (yan guan)) juan tan yong weng fang ca ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan ((yan san) OR (yan guan)) juan tan yong weng fang ca ;*.