Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
change information » chandos information, trade information
technology change » technological change, technological changes
key development » city development, mena development, energy development
development en » developpement en, development menu, development eco
information 1 » information 2, information 3, information 3.2
areas based » area based, areas case
costs key » costs amy
1 areas » 1 area, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technology change information 1 areas based communications costs key development en afrique.*.