Perhaps you should try some spelling variations:
"supply data integration theory." » "supply data integration through.", "supply data information theory.", "supply data integration report.", "supply trade integration theory.", "supply _ integration theory.", "supply data integrity theory.", "supply water integration theory."
"support law international cooperation." » "support new international cooperation.", "support _ international cooperation.", "support 3 international cooperation.", "support low international cooperation.", "support a international cooperation.", "support tax international cooperation.", "support law international corporation."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support law international cooperation.") or ("supply data integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support law international cooperation.") OR ("supply data integration theory.")).
• Removing quotes may allow a broader search: (( support law international cooperation. ) or ( supply data integration theory. )).
• Adding a wildcard symbol may retrieve word variants: (("support law international cooperation.") or ("supply data integration theory."))*.