Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information center » information centers, information centre, information content
u.s communications » 3.1 communications, les communications, nps communications
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
costs 4.4 » costs 4.2
center a » center _
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 am information center a u.s communications costs 4.4 developing _ africa.*.