Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
yan wang » yuan wang, yang yang, qian wang
pang jiu » pang jun, yang jie, yang jin
long shu » cong shu, tong shui, long du
yan hua » ya hua, wang hua, tuan hua
tan hua » tuan hua, wang hua, tan chia
yan jiu » yang jie, yang jin

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

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