Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing e » developing _, developing a, developing east
contents je » contents key, contents 1, contents _
cost 3.2 » cost 2.4
e africa » em africa, de africa, eu africa
je debt » due debt

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information contents je debt communication cost 3.2 developing e africa.*.