Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication costa » communication costs, communications costs, communication cote
information 3.3.2 » information 2.3.2, information 3.2.2, information 3.3.3
technologies 2 » technologies _, technologies 4
eine personal » refine personal, eine person, life personal
developing 2 » developing _, developing a, developing e
3.3.2 eine » 3.3.1 eine, 6.3.2 eine, 3.3.3 eine
2 areal » 2 real, _ areal, 2 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.3.2 eine personal communication costa _ developing 2 areal.*.