Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
set communication » et communication, get communication, debt communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
developing data » developing a, developing asia, developing east
4 developing » 3 developing
data africa » ratha african, intra africa, baga african
cost 4 » cost _, cost 2.4
3 set » _ set, a set, 2 set

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information context 3 set communication cost 4 developing data africa.*.