Perhaps you should try some spelling variations:
communication coast » communication costs, communication case, communication costa
information centers » information contents, information officers
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
et communication » et communicatione, get communication, debt communication
developing areas » developing asia, developing east, developing a
3 developing » 3 development
areas africa » arabs africa, dress africa, farmers africa
centers 3 » centers _, centers a, centers 3.3
coast 3 » coast _, coast 4, coast 6.3
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 does information centers 3 et communication coast 3 developing areas africa.*.