Perhaps you should try some spelling variations:
technology trade » technology trends, technology transfer, technology transfers
la communication » data communication, data communications
a developpement » au developpement, de developpement, le developpement
effects real » effective real, effects thread, effects a
real prices » retail prices, cereal prices, rural prices
des afrique » en afrique, de l'afrique
prices la » prices a, prices can, prices _
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 trade effects real prices la communication costs a developpement des afrique.*.