Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centres » information centre, information centrism, information centers
developing eq » developing e, developing egg, developing _
der personal » der personalen, der personen, der person
4 developing » 3 developing
centres der » centres de, centre de, centre des
eq africa » em africa, eu africa, 1 africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information centres der personal communication costs 4 developing eq africa.*.