Perhaps you should try some spelling variations:
"supply can integration theories." » "supply can integration theorems.", "supply can integrationstheorie 2.", "supply can integration theory.", "supply chain integration theories.", "supply von integration theories.", "supply urban integration theories.", "supply case integration theories.", "supply chai integration theories."
"supply china international journal." » "supply iea international journal.", "supply action international journal.", "supply finance international journal.", "supply chains international journal.", "supply chain international journal."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply can integration theories.") OR ("supply china international journal."))~.
• Removing quotes may allow a broader search: (( supply can integration theories. ) or ( supply china international journal. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply can integration theories.") or ("supply china international journal."))*.