Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
study innovative » state innovative, students innovative, future innovative
3 communications » 3 communication, 2 communications, 4 communications
de developpement » sme development
developpement de » developpement des, developpement durable
innovative do » innovative doi, innovative bio, innovative diw
de afrique » de l'afrique, en afrique, l afrique
do rates » dose rates, des rates, do states
costs de » costs _, costs 4, costs a
rates 3 » rates _, rates a, rates 7

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

• Adding a wildcard symbol may retrieve word variants: technology study innovative do rates 3 communications costs de developpement de afrique.*.