Perhaps you should try some spelling variations:
yang jing » yang jin, huang jing, yang liang
wang jing » wang ning, wang liang, wang yang
fang hari » dang hai, fang ri
yan yuan » fang yuan, yan clan, yan kun
yan guan » gan guan, yang guang, yihan guan
wan yan » wang yan, wai yan, wang yang
nan yan » nan ya, wang yan, qian yan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan ((((yan yuan) OR (yan guan))) OR (nan yan)) gain ((yang jing) OR (wang jing)) fang hari ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan ((((yan yuan) OR (yan guan))) or (nan yan)) gain ((yang jing) or (wang jing)) fang hari ;~".
• Adding a wildcard symbol may retrieve word variants: wan yan ((((yan yuan) OR (yan guan))) or (nan yan)) gain ((yang jing) or (wang jing)) fang hari ;*.