Perhaps you should try some spelling variations:
data communication » data communications
communication 3.3 » communication _, communication a, communication 1
das developpement » des developpements, de developpement, du developpement
developpement et » developpement des, developpement de, development east
inflation rates » inflation rate
rates sparse » data sparse, based sparse
sparse data » share data
et afrique » en afrique, l afrique
3.3 das » 2.3 das, 3.3 data

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation rates sparse data communication 3.3 das developpement et afrique.*.