Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
de developpement » sme development
technology used » technology use, technology based, technology users
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
used section » used sections, use section, causes section
section data » sectional data
data spaces » data sources
spaces 4.2 » space 4.2, spaces 4.1, spaces 6.2
l afrique » en afrique
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technology used section data spaces 4.2 communication 3 de developpement l afrique.*.