Perhaps you should try some spelling variations:
integration theories » integration theory, integration through, integration efforts
planning services » banking services
cash planning » care planning, use planning, city planning
supply cash » supply case, supply cost, supply chain
systems » system

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

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