Perhaps you should try some spelling variations:
communication mode » communication model, communication modes, communication module
technologies some » technologies soil, technologies stage, technologies ser
information 1.5.2 » information 1.2, information 2
des developpement » des developpements, de developpement, le developpement
some information » more information, time information, one information
ec communication » de communication, 3 communication, 4 communication
developpement en » developpement et, developpement des, developpement de
mode des » mode de, code des, mode der

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

• Adding a wildcard symbol may retrieve word variants: technologies some information 1.5.2 _ ec communication mode des developpement en afrique.*.