Perhaps you should try some spelling variations:
date communication » data communication, data communications, parte communication
interaction jade » interaction model, interaction aware, interaction cards
developpement de » developpement des, developpement durable
2.1 interaction » 3.1 interaction, 3.2 interaction, 2 interaction
4 developpement » de developpement, le developpement, et developpement
technology 2.1 » technology 2.2, technology 3.1, technology 1
jade trade » trade trade, have trade
trade date » trade data, matrade dato
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 interaction jade trade date communication costs 4 developpement de afrique.*.