Perhaps you should try some spelling variations:
10.4 communication » 1.4 communication, 10.2.4 communication, 10.4.3 communication
das developpements » des developpements, deux developpements, de developpement
developpements de » developpement de, developpement des, developpement du
communication 3 » communication _, communication a
infection data » infection rate, infection rates, section data
data spaces » data sources
spaces 10.4 » spaces 10.1, spaces 12.4, spaces 1.1
de afrique » de l'afrique, en afrique, l afrique
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: technology _ infection data spaces 10.4 communication 3 das developpements de afrique.*.