Perhaps you should try some spelling variations:
information portals » information problems, information policies, information products
oral communication » personal communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
portals de » portals _, portals 5, portals 6
media der » media order, media under, mediale der
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 a information portals de oral communication media der developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information portals de oral communication media der developpement en afrique.*.