Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
technologies used » technologies based, technology used, technologies _
der developpement » de developpement, des developpements, leur developpement
used information » user information, use information, based information
developpement en » developpement et, developpement des, developpement de
information 1.2 » information 1.5.2, information 2
el debt » el debate, real debt
1.2 el » 3.2 el, 2.2 el, 1.2 eq

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

• Adding a wildcard symbol may retrieve word variants: technologies used information 1.2 el debt communication _ der developpement en afrique.*.