Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
oral communication » personal communication
based information » basic information, based innovation, land information
development en » developpement en, development menu, development eco
information 2 » information 3
does oral » does formal, does oil
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: technologies based information 2 does oral communication a _ development en afrique.*.