Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication costa » communication costs, communications costs, communication cote
information 1.5.2 » information 1.2, information 2
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
der personal » der personalen, der personen, der person
3 developing » 3 development
developing 2 » developing _, developing a, developing e
1.5.2 der » 3.5.2 der, 5.5.2 der, 1.5.4 der
costa 3 » costa e, costa p
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologie de information 1.5.2 der personal communication costa 3 developing 2 areas.*.