Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication costa » communication costs, communications costs, communication cote
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
a developing » a development
developing 4 » developing _, developing a, developing e
e personal » de personal, 1 personal, 4 personal
costa a » costa e, cost a, costa 3
4 areas » 1 areas, 2 areas, 4 areal
3.2 e » 3.2 el, 3.2 eq, 13.2 e

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 3.2 e personal communication costa a developing 4 areas.*.