Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
information phase » information please, formation phase, information case
der communication » de communication, under communication, debt communication
aids information » chandos information, series information
2.2 development » 3.2 development, 2.3 development, 4.2 development
development 2 » development 1, development 2.1, development 2.3
phase des » phasen des, phase der
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
des der » des dr, des ddr, des dem
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 aids information phase des der communication cost 2.2 development 2 areas.*.