Perhaps you should try some spelling variations:
wang yidan » wang yan
song ming » song bing, gong min, jong min
tong shui » tong hui, cong shu, gong hui
wang dan » wang yan, wang ban, wang yang
song min » gong min, jong min, song jin
di lu » li lu
yi lu » yi wu, yi xu, li lu

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 dan) or (wang yidan)) ((di lu) or (yi lu)) ((song min) OR (song ming)) tong shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((wang dan) OR (wang yidan)) ((di lu) OR (yi lu)) ((song min) OR (song ming)) tong shui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((wang dan) or (wang yidan)) ((di lu) or (yi lu)) ((song min) OR (song ming)) tong shui ;*".