Perhaps you should try some spelling variations:
oral communication » personal communication
technologies icts » technologies ict, technologies rcts, technologies iot
icts information » ids information, gets information, idds information
developpement en » developpement et, developpement des, developpement de
de oral » de otras, new oral
gap de » gap die, cap de, gap d

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies icts information gap de oral communication costs _ developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies icts information gap de oral communication costs _ developpement en afrique.*.