Perhaps you should try some spelling variations:
wang yidan » wang yan
gang yang » wang yang, yang yang, huang yang
wang dan » wang yan, wang ban, wang yang
yi chang » ii chang, ying chang, jin chang
yi gang » ii gang, i gang, li gang
yang yi » yang di, yang xi, yang jui
yan yi » tan yi, yan zi, yin yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang dan) or (wang yidan)) yan yi gang yang yi chang (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang dan) OR (wang yidan)) yan yi gang yang yi chang (hai OR hadi) ;*.