Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
technology private » technology preface, technology rate, technology related
del developpement » de developpement, des developpements, le developpement
3 communication » 4 communication, de communication, data communication
developpement l » developpement il, developpement la, developpement de
about case » about care, about class, about cost
costo del » costa del, cose del, costo e
l afrique » en afrique
case 3 » case 1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technology private information about case 3 communication costo del developpement l afrique.*.