Perhaps you should try some spelling variations:
information officers » information services
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
get communication » et communication, debt communication, de communication
aids information » chandos information, series information
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
developing a » developing _
officers he » officers _, officers case, officers 3.9
cost 3.4 » cost 2.4, cost 3.2, cost 3.5
a africa » 1 africa, can africa, em africa
he get » we get, help get, she gets

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information officers he get communication cost 3.4 developing a africa.*.