Perhaps you should try some spelling variations:
date communication » data communication, data communications, parte communication
interaction trade » integration trade, intervention trade, interaction aware
developpement en » developpement et, developpement des, developpement de
2.2 interaction » 2.2 interactions, 3.2 interaction, 2.1 interaction
4 developpement » de developpement, le developpement, et developpement
technology 2.2 » technology _, technology 1, technology 3
trade date » trade data, matrade dato
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 2.2 interaction trade trade date communication costs 4 developpement en afrique.*.