Perhaps you should try some spelling variations:
oral communication » personal communication
arena information » agenda information, areal information, trend information
technology arena » technology armenia, technology africa, technology trends
information 17.2 » information 1.2, information 15.2, information 11.2
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
17.2 do » 17.2 how
do oral » do rural, who oral

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

• Adding a wildcard symbol may retrieve word variants: technology arena information 17.2 do oral communication _ de developpement l afrique.*.