Perhaps you should try some spelling variations:
personas communication » personal communication, personal communications, personal communicator
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
informations sur » informations und
a developing » a development
de personas » de persona, de personal, de personnes
costs a » costs _, costs 4
sur de » sur des, sur le, cur de

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations sur de personas communication costs a developing _ africa.*.