Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
u.s communications » 3.1 communications, les communications, nps communications
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
centers a » centers _, center a, enters a
costs 4.4 » costs 4.2
a u.s » _ u.s

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers a u.s communications costs 4.4 developing _ africa.*.