Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
based integration » based interaction, based interactions, based integrated
planning services » banking services
under planning » gender planning, ended planning, water planning
export based » export base, expert based, export bases
supply under » supply order, supply united, supply siders

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

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