Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
voice communications » mobile communications, guinea communications, online communications
technologien als » technologien des, technologien fur, technologien und
information case » information based, information can, information costs
developing water » developing after, developing rates, developing waste
als information » als informations, aids information, laws information
water stressed » water stresses, water stress, war stresses
4 developing » 3 developing
d voice » _ voice, a voice, 5 voice
costs 4 » costs _, costs a, costs 4.2
case d » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technologien als information case d voice communications costs 4 developing water stressed.*.