Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information center » information centers, information centre, information content
en communication » open communication, lean communication, when communication
developing east » development east, developing a, developing asia
technologie 3d » technologies 3d, technologie 3, technologie und
3d information » d information, nd information, od information
3.3 developing » 4 developing, 2 developing, 1 developing
east africa » west africa
center 3.1 » center 2.1, center 4.1, century 3.1
cost 3.3 » cost 3.2, cost 2.3, cost 3.4
3.1 en » 3.1 ein, 3.1 el, 3.1 eu

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

• Adding a wildcard symbol may retrieve word variants: technologie 3d information center 3.1 en communication cost 3.3 developing east africa.*.