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
developing firms » developing forms, developing fields, developing forest
als information » als informations, aids information, laws information
information 2.2 » information 1.2, information 2.7, information 2.2.2
a developing » a development
pto voice » photo voice, pto force
2.2 pto » 2.2 ppo, 2.2 ptg, 2.2 path
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 2.2 pto voice communications costs a developing firms access.*.