Perhaps you should try some spelling variations:
yan guan » gan guan, yan yuan, yang guang
yan clan » das clan, yan yuan
li zhang » _ zhang
gong min » jong min, song min, gong meng
yan tan » tan tan, yan wang, yan yuan
zhang a » zhang ya, zhang _, zhang i
hua li » bohua li
a gong » a gongo
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((((yan tan) or (yan guan))) or (yan clan)) hua li zhang a gong min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yan tan) OR (yan guan))) OR (yan clan)) hua li zhang a gong min ;*.