Perhaps you should try some spelling variations:
cell communications » cell communication, health communications, rural communications
technologies based » technologies used, technology based, technologies a
based formulation » basic formulation, case formulation, based simulation
der developpement » de developpement, des developpements, leur developpement
communications a » communications _, communications law, communications media
developpement il » developpement de, developpement et, developpement du
formulation de » formulation des, formulacion de, formulation du
il afrique » l afrique, en afrique
3.5 cell » 3.2 cell, 3.3 cell, 3.4 cell
de 3.5 » de 3.2, de 3.3, de 3.4
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies based formulation de 3.5 cell communications a der developpement il afrique.*.