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

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((((quan guan) or (gan guan))) or (yan yuan)) wen chin wang ning gong min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ((((quan guan) OR (gan guan))) OR (yan yuan)) wen chin wang ning gong min ;.
• Adding a wildcard symbol may retrieve word variants: wing ((((quan guan) or (gan guan))) or (yan yuan)) wen chin wang ning gong min ;*.