Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
wang yang » wang yan, wang liang, wang yanling
yang yun » yang jun, tang yun, yang yue
yan guan » gan guan, yan yuan, yihan guan
tan ying » fan ying, ran ying, tan yang
yi chang » ii chang, ying chang, jin chang
yi dang » yi gang, yi yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ((yang yun) or (((yang guang) or (yan guan)))) tan ying ((yi dang) OR (yi chang)) hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang yun) OR (((yang guang) OR (yan guan)))) tan ying ((yi dang) OR (yi chang)) hadi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((yang yun) or (((yang guang) or (yan guan)))) tan ying ((yi dang) OR (yi chang)) hadi ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang yun) or (((yang guang) or (yan guan)))) tan ying ((yi dang) OR (yi chang)) hadi ;*.