Perhaps you should try some spelling variations:
technologies trade » technology trade, technologies case, technologies table
leur developpement » le developpement, deux developpements, de developpement
trade information » price information, private information, trade integration
developpement du » developpement de, developpement des, developpement et
information 1.2 » information 1.5.2, information 2
du afrique » en afrique, l afrique, de l'afrique
1.2 a » 1.2 _, 2.2 a, 3.2 a
mass » maps

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

• Adding a wildcard symbol may retrieve word variants: technologies trade information 1.2 a mass communication a leur developpement du afrique.*.