Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
postal banking » formal banking, postal bank, social banking
supply postal » supply partial, supply costs, supply cost
supply crowd » supply growth, supply cost, supply from
supply grid » supply great, support grid

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

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