Perhaps you should try some spelling variations:
integration theory » integration through, information theory, innovation theory
cost integration » post integration, test integration, about integration
supply great » supply growth, supply gap, supply gas
supply grid » supply crowd, support grid
supply cost » supply costs

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 grid) OR (supply great)) innovation policy. ) OR ( supply cost integration theory. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((supply grid) OR (supply great)) innovation policy. ) or ( supply cost integration theory. ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((supply grid) OR (supply great)) innovation policy. ) or ( supply cost integration theory. ))*.