Perhaps you should try some spelling variations:
transformation based » transformation case, transformation a, transformation als
communications costs » communication costs, communications _
2 transformation » 2 transformations, 1 transformation, 4 transformation
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technologies 2 » technologies _, technologies 4
l afrique » en afrique
based e » based new
costs 4 » costs _, costs a, costs 4.2
e data » e datas, age data, cge data

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 transformation based e data communications costs 4 developpement l afrique.*.