Perhaps you should try some spelling variations:
parte communication » partie communications, ante communication, face communication
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
contents 3.1 » contents 1, contents _, contents map
3.1 parte » 3.1 parse, 3.1 part, 3.1 portee
cost 12.4 » coast 12.4, costs 12.4, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information contents 3.1 parte communication cost 12.4 developing _ africa.*.