Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
yan cheng » tan cheng, yan cong, yu cheng
wang yang » wang yan, wang liang, wang yanling
gang hari » dang hai
han wang » yan wang, chen wang, han chang
yang i » yang di, yang xi, yang yi
i gang » ii gang, li gang, yi 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 ((yan cheng) OR (yuan cheng)) han wang yang i gang hari ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan cheng) OR (yuan cheng)) han wang yang i gang hari ;*".