Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
technologies methods » technologies authors, technologies ethics, technology methods
methods preformation » methods preparation, method presentation
preformation 1.2 » information 1.2, deformation 4.2, reformation 1
a communications » a communication, data communications, a communicative
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
1.2 des » 1.2 das, 1.2 der, 2.2 des
des a » des ag, des _, des 3

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

• Adding a wildcard symbol may retrieve word variants: technologies methods preformation 1.2 des a communications series _ developpement l afrique.*.