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
de communication » mobile communication, online communication
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
centers world » century world, centers hold, century worlds
developing v » developing av, developing _, developing a
costs 4.4 » costs 4.2
world de » world die, world do, world debt
v africa » 1 africa, em africa

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 world de communication costs 4.4 developing v africa.*.