Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
de developpement » sme development
developpement de » developpement des, developpement durable
formation under » formation des, formation over, estimation under
technology gap » technology 1, technology 2.2, technology 3
gap formation » la formation, a formation, group formation
under rice » under rise, under river, under risk
de afrique » de l'afrique, en afrique, l afrique
rice 3.1 » rice 2.1, rice 3.3, rice 4.1
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology gap formation under rice 3.1 communications costs de developpement de afrique.*.