Perhaps you should try some spelling variations:
chin wang » china wang, chen wang, chin fang
wang ning » wang jing, wang liang, wang yang
ning gong » gang gong, zong gong
yan guan » yang guang, yihan guan, quan guan
gan guan » quan guan, fan guon, gui guan
yan yuan » fang yuan, yan clan, yan kun
wen chin » en chine, je chin
gong min » jong min, song min, gong meng
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((((yan guan) or (gan guan))) or (((yan yuan) OR (nan yan)))) wen chin wang ning gong min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ((((yan guan) OR (gan guan))) OR (((yan yuan) OR (nan yan)))) wen chin wang ning gong min ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((((yan guan) or (gan guan))) or (((yan yuan) OR (nan yan)))) wen chin wang ning gong min ;".
• Adding a wildcard symbol may retrieve word variants: wing ((((yan guan) or (gan guan))) or (((yan yuan) OR (nan yan)))) wen chin wang ning gong min ;*.