Perhaps you should try some spelling variations:
dem developpement » de developpement, des developpements, le developpement
2.3 communication » 3.2 communication, de communication, 4 communication
developpement de » developpement des, developpement durable
technology past » technology park, technology push, technology pt
communication 1 » communication _, communication a, communication 3
past infection » plant infection, fast injection, pain infection
infection data » infection rate, infection rates, section data
data scarce » data source, data sparse, data sources
scarce 2.3 » source 2.3, scarce 3
de afrique » de l'afrique, en afrique, l afrique
1 dem » 1 diem, 1 der, _ dem

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

• Adding a wildcard symbol may retrieve word variants: technology past infection data scarce 2.3 communication 1 dem developpement de afrique.*.