Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
chapter information » computer information, change information, career information
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
det data » debt data, pet data, set data
costs de » costs _, costs 4, costs a
3.2 det » 3.2 der, 3.2 dem, 3.2 des

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

• Adding a wildcard symbol may retrieve word variants: techniques chapter information 3.2 det data communications costs de developpement l afrique.*.