Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
4 communication » 3 communication, 5.4 communication, de communication
developing crop » developing cross, developing bop, developing micro
3.3 developing » 4 developing, 2 developing, 1 developing
centers first » context first
crop africa » crow african, across africa, europe africa
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
first 4 » first _, first a, first 30

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers first 4 communication costs 3.3 developing crop africa.*.