Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
et communication » et communicatione, get communication, debt communication
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing can » developing a, developing ai, developing av
can africa » urban africa
centers 3 » centers _, centers a, centers 3.3
costs 2.3 » costs 4.2, costs 4.4
3 et » 13 et, 3 fet, 3 set

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centers 3 et communication costs 2.3 developing can africa.*.