Perhaps you should try some spelling variations:
integration theories » integration theory, integration through, integration efforts
global integration » regional integration
shock innovation » social innovation, local innovation, from innovation
innovation how » innovation house, innovation _, innovation lab
supply shock » supply shocks

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 global integration theories. ) OR ( supply shock innovation how. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply global integration theories. ) or ( supply shock innovation how. ))*.