Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information context » information content, information contents, information centers
u.s communications » 3.1 communications, les communications, nps communications
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
developing e » developing _, developing a, developing east
context a » context 3
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
e america » en america, de america, _ america
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 aids information context a u.s communications costs 1.3 developing e america.*.