Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
fet communication » et communication, get communication, debt communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing city » developing cities, developing data, developing high
3.3 developing » 4 developing, 2 developing, 1 developing
city africa » china africa, cults africa
contents 3 » contents 1, contents _, contents i
cost 3.3 » cost 3.2, cost 2.3, cost 3.4
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 des information contents 3 fet communication cost 3.3 developing city africa.*.