Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien d » technologien ad, technologien _, technologien 1
d information » nd information, od information, und information
1 developing » 3 developing, 4 developing, 2 developing
developing a » developing _
a africa » 1 africa, can africa, em africa
cost 1 » cost 12, cost 15, cost _
a das » 1 das, 3 das, _ das
2 das » 1 das

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien d information centers ((a das) OR (2 das)) communication cost 1 developing a africa.~".
• Adding a wildcard symbol may retrieve word variants: technologien d information centers ((a das) OR (2 das)) communication cost 1 developing a africa.*.