Perhaps you should try some spelling variations:
das developpement » des developpements, de developpement, du developpement
2.3 communication » 3.2 communication, de communication, 4 communication
technology trade » technology trends, technology transfer, technology transfers
trade deflection » trade protection
deflection rates » infection rates, collection rates, detection rate
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
rates rates » rates notes
rates 2.3 » rates 12.3, rates 4.3, rate 2.3
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: technology trade deflection rates rates 2.3 communication 3 das developpement en afrique.*.