Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
scale interaction » scale interactions, scalar interaction, scale integration
interaction terms » interaction term
fare integration » trade integration, die integration
supply scale » supply case, supply scheme, supply social
supply fare » supply farm, supply case, supply figure

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 scale interaction terms. ) OR ( supply fare integration theories. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply scale interaction terms. ) or ( supply fare integration theories. ))*.