Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology area » technology arena, technology array, technology age
area infection » area inflation, early infection, area selection
infection data » infection rate, infection rates, section data
data spaces » data sources
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technology area infection data spaces 6.2 communication 3.3 de developpement en afrique.*.