Perhaps you should try some spelling variations:
yan yuan » yan guan, fang yuan, nan yan
yuan tan » huan t'an, yuan kang, yuan ting
tan yang » dan yang, tan ying, tan yong
lin zong » lin ling, lin meng
wan yan » wang yan, nan yan, wai yan
yan yan » nan yan, yang yang, wang yan
yi zong » yi rong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan yan yuan tan yang ((yi zong) or (lin zong)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan yan yuan tan yang ((yi zong) OR (lin zong)) hai ;*.