Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
technologie 3d » technologies 3d, technologie 3, technologie und
3d information » d information, nd information, od information
development em » development eco, development 1, development 11
em africa » 1 africa
costs 2 » costs 20, costs _, costs 4
a 10 » _ 10, 9 10, 7 10

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie 3d information centers ((a 10) OR (a 1)) communications costs 2 development em africa.~".
• Adding a wildcard symbol may retrieve word variants: technologie 3d information centers ((a 10) OR (a 1)) communications costs 2 development em africa.*.