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 l » developpements de, developpement il, developpement la
communication 3 » communication _, communication a
infection data » infection rate, infection rates, section data
sources 10.4 » sources 1.4, sources 10.5, sources 10.7
l afrique » en 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 sources 10.4 communication 3 das developpements l afrique.*.