Perhaps you should try some spelling variations:
integration theory » integration through, information theory, integration report
shock innovations » how innovations, china innovations, local innovations
innovations house » innovation house, innovations could, innovation how
support trade » export trade, support grant, import trade
supply shock » supply shocks

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support trade integration theory. ) or ( supply shock innovations house. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support trade integration theory. ) OR ( supply shock innovations house. )).
• Adding a wildcard symbol may retrieve word variants: (( support trade integration theory. ) or ( supply shock innovations house. ))*.