Perhaps you should try some spelling variations:
le developpement » de developpement, sme development
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
17 interaction » 10 interaction, 19 interaction, 11.7 interaction
technology 17 » technology 1.7, technology 171, technology 1
model trade » modern trade, model traem, model tree
de afrique » de l'afrique, en afrique, l afrique
trade de » trade die, rade de, trade date
costs le » 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 17 interaction model trade de communication costs le developpement de afrique.*.