Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
fet communication » et communication, get communication, debt communication
aids information » chandos information, series information
2.2 development » 3.2 development, 2.3 development, 4.2 development
development e » development 1, development eco, development 11
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
e africa » em africa, de africa, eu africa
3 fet » 3 fat

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information context 3 fet communication cost 2.2 development e africa.*.