Perhaps you should try some spelling variations:
persons communication » personal communication, personal communications, garrisons communication
communication costa » communication costs, communications costs, communication cote
information 1.5.2 » information 1.2, information 2
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3 developing » 3 development
developing 2 » developing _, developing a, developing e
1.5.2 older » 13.3.2 older, 3.5.3 older, 8.2.2 older
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: technologien des information 1.5.2 older persons communication costa 3 developing 2 areas.*.