Perhaps you should try some spelling variations:
technologies during » technology during, technologies series, technologies changing
data communication » data communications
communication mode » communication model, communication modes, communication module
during formation » ring formation, during compaction, setting formation
de development » e development, ce development, de developpement
formation des » formation _
development l » development li, development 1, development law
l afrique » en afrique
der data » under data, order data, der daten
des der » des dr, des ddr, des dem
mode de » modes de, modele de

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

• Adding a wildcard symbol may retrieve word variants: technologies during formation des der data communication mode de development l afrique.*.