Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
information center » information centers, information centre, information content
technologies 2 » technologies _, technologies 4
6.4 developing » 5.4 developing, 3.3 developing, 2.2 developing
der personal » der personalen, der personen, der person
developing a » developing _
center der » unter der, hinter der, center dpc
costs 6.4 » costs 4.4, costs 4.2, costs 2.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information center der personal communications costs 6.4 developing a africa.*.