Perhaps you should try some spelling variations:
communication services » telecommunications services
technologies private » technologies create, technology private, technologies drivers
oral communication » personal communication
information needs » information networks
development case » development china
needs de » needs men, needs one, needs _
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies private information needs de oral communication services _ development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies private information needs de oral communication services _ development case afrique.*.