Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
shocks international » schools international, focus international, slices international
international ports » international airports, international poverty, international efforts
fare integration » trade integration, die integration
supply fare » supply farm, supply case, supply figure

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply fare integration theories. ) or ( supply shocks international ports. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply fare integration theories. ) OR ( supply shocks international ports. )).
• Adding a wildcard symbol may retrieve word variants: (( supply fare integration theories. ) or ( supply shocks international ports. ))*.