Perhaps you should try some spelling variations:
information officers » information services
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
developing areas » developing asia, developing east, developing a
technologie und » technologies 2.1
und information » fund information, road information, award information
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
areas africa » arabs africa, dress africa, farmers africa
officers 3 » officers _, officers 3.9, officer _
cost 12.4 » coast 12.4, costs 12.4, cost 2.4
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologie und information officers 3 de communication cost 12.4 developing areas africa.*.