Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
guang tan » huang tao, liang tan
tan ying » fan ying, ran ying, tan yang
yi dang » yi yang, yi chang
yi gang » ii gang, i gang, li gang

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 guang tan ying ((yi dang) or (yi gang)) (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang guang tan ying ((yi dang) OR (yi gang)) (hai OR hadi) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yang guang tan ying ((yi dang) or (yi gang)) (hai or hadi) ;*.