Perhaps you should try some spelling variations:
"beijing students' autonomous operations" » "beijing students' autonomous cooperation", "beijing students' autonomous innervations", "beijing students' autonomous cooperating", "beijing students' autonomous cooperations", "beijing students' autonomous generations", "beijing students' autonomous creations", "beginning students' autonomous operations", "building students' autonomous operations", "bridging students' autonomous operations"
"beijing students' autonomous operation" » "beijing students' autonomous cooperation", "beijing students' autonomous generation", "beijing students' autonomous creation", "beginning students' autonomous operation", "building students' autonomous operation", "bridging students' autonomous operation"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("beijing students' autonomous operation") OR ("beijing students' autonomous operations"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"beijing students' autonomous operation\") OR (\"beijing students' autonomous operations\"))".
• Removing quotes may allow a broader search: (( beijing students' autonomous operation ) OR ( beijing students' autonomous operations )).
• Adding a wildcard symbol may retrieve word variants: (("beijing students' autonomous operation") OR ("beijing students' autonomous operations"))*.