Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication cost » communication costs, communication costa, communications costs
technologien fair » technologien fur, technologies fail, technologien als
fair information » fairs information, fur information, labor information
information 1.2 » information 1.5.2, information 2
debat personal » deceit personal, der personal, das personal
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing a » developing _
1.2 debat » 9.2 debaty, 3.1.2 debate
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
a areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien fair information 1.2 debat personal communication cost 2.2 developing a areal.*.