Perhaps you should try some spelling variations:
information centers » information contents, information officers
based communication » brand communication, based compensation, mediated communication
communication cost » communication costs, communication costa, communications costs
developing east » development east, developing a, developing asia
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
centers cfd » centers can, centers case, centers hold
east africa » west africa
cfd based » bdd based
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information centers cfd based communication cost 2.2 developing east africa.*.