Perhaps you should try some spelling variations:
oral communication » personal communication
information needs » information networks
development banks » development bank
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
needs a » needs _
a oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technology can information needs a oral communication media _ development banks afrique.*.