Perhaps you should try some spelling variations:
"yu da shi cong jiu cong shu." » "yu da shi cong ji cong shu.", "yu da shi cong jia cong shu.", "yu da shi cong jie cong shu.", "yu fa shi cong jiu cong shu."
"yu de shi yong yu cong shu." » "yu de shi yong yi cong shu.", "yu de shi yong xue cong shu.", "yu de shi yong lun cong shu."
"yu da shi cong du cong shu." » "yu da shi chong du cong shu.", "yu da shi cong di cong shu.", "yu da shi song du cong shu.", "yu da shi cong xue cong shu.", "yu da shi cong lun cong shu.", "yu da shi cong shu cong shu.", "yu fa shi cong du cong shu."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("yu de shi yong yu cong shu.") or ((("yu da shi cong du cong shu.") OR ("yu da shi cong jiu cong shu."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("yu de shi yong yu cong shu.") OR ((("yu da shi cong du cong shu.") OR ("yu da shi cong jiu cong shu.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"yu de shi yong yu cong shu.\") or (((\"yu da shi cong du cong shu.\") OR (\"yu da shi cong jiu cong shu.\"))))".
• Removing quotes may allow a broader search: (( yu de shi yong yu cong shu. ) or ((( yu da shi cong du cong shu. ) OR ( yu da shi cong jiu cong shu. )))).
• Adding a wildcard symbol may retrieve word variants: (("yu de shi yong yu cong shu.") or ((("yu da shi cong du cong shu.") OR ("yu da shi cong jiu cong shu."))))*.