Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
del developpement » de developpement, des developpements, le developpement
formation after » information after, formation chapter, formation acteurs
developpement l » developpement il, developpement la, developpement de
after prices » water prices, offer prices, after places
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
costo del » costa del, cose del, costo e
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology _ formation after prices 3.1 communication costo del developpement l afrique.*.