Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
3.1 interaction » 3.2 interaction, 3 interaction, 2 interaction
technology 3.1 » technology 1, technology 2.2, technology _
model tree » model three, model free, model true
la afrique » l afrique, la fabrique, en afrique
tree 3.2 » trees 3.2, tree 2.2, tree 4.2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 interaction model tree 3.2 communication costs de developpement la afrique.*.