Perhaps you should try some spelling variations:
direct developpement » de developpement, et developpement, directed development
communication used » communication based, communication une, communication focused
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement du » developpement de, developpement des, developpement et
formulacion de » formulation des, formacion de, formulation _
used direct » use direct, uses direct, based direct
du afrique » en afrique, l afrique, de l'afrique
deces 4.1 » deces 2.1, deces 4.2, eces 4.1
de deces » des deces, du deces, de dechets

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulacion de deces 4.1 communication used direct developpement du afrique.*.