Perhaps you should try some spelling variations:
person communication » personal communication, personal communications, irsn communication
communication costa » communication costs, communications costs, communication cote
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
informations 4.2 » information 4.2, information 5.4.2, information 2.4.2
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing 2 » developing _, developing a, developing e
one person » young person
costa 4.1 » costs 4.1, costs 4.10, costs 4.11
4.2 one » 4.2 once, 2.2 one, 3.2 one
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: technologien des informations 4.2 one person communication costa 4.1 developing 2 areas.*.