Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology sector » technology series, technology social
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
sector section » sector selection, section section, actor section
data practices » farm practices
section data » sectional data
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology sector section data practices _ communications costs a developpement de afrique.*.