Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
den gang » deng gang, der gang, den umgang
yan hua » ya hua, tuan hua, yan guan
tan hua » tuan hua, tan chia, tan puay
gang li » gan li, tang li, wang li
li cong » li rong, li song, jiu cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) OR (wang yang)) ((yan hua) or (((tan hua) or (wang hua)))) den gang li cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yang)) ((yan hua) OR (((tan hua) OR (wang hua)))) den gang li cong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yang)) ((yan hua) or (((tan hua) or (wang hua)))) den gang li cong shu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) OR (wang yang)) ((yan hua) or (((tan hua) or (wang hua)))) den gang li cong shu ;*.