Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
get communication » et communication, debt communication, de communication
aids information » chandos information, series information
developing can » developing a, developing ai, developing av
15 developing » 1 developing, 5 developing, 10 developing
contents 3 » contents 1, contents _, contents i
can africa » urban africa
cost 15 » cost 12, cost 5, cost 11.5
3 get » _ get, i get, 4 get

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 3 get communication cost 15 developing can africa.*.