Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
libya communications » liberia communications, cuba communications, kenya communications
information centers » information contents, information officers
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
developing e » developing _, developing a, developing east
centers 3rs » centers 3, centers 3.3, centers 3.8
3rs libya » u.s libya
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
e africa » em africa, de africa, eu africa

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 3rs libya communications costs 7.3 developing e africa.*.