Perhaps you should try some spelling variations:
data communication » data communications
information costs » information contents, information centers, information content
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technologie 1 » technologies 1, technologien 1, technologie c
costs age » costs case, costs a, costs amy
age data » wage data, cge data, image data
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologie 1 information costs age data communication a de developpement en afrique.*.