Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
communication 3.3 » communication _, communication a, communication 1
developpements il » developpement il, developpements de, developpement de
technology usage » technology use, technology age, technology users
usage education » stage education, age education, same education
system spaces » system states, systems space, system impacts
il afrique » l afrique, en afrique
3.3 des » 3.3 das, 3.3 der, 3.3 de

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

• Adding a wildcard symbol may retrieve word variants: technology usage education system spaces _ communication 3.3 des developpements il afrique.*.