Perhaps you should try some spelling variations:
deux developpement » deux developpements, de developpement, du developpement
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
trade inflation » grade inflation, trade insulation, rate inflation
des afrique » en afrique, de l'afrique
rate file » case file, rate fee, rate firm
file 3.2 » cile 3.2, file 32, file 3.2.3

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

• Adding a wildcard symbol may retrieve word variants: technology trade inflation rate file 3.2 communication a deux developpement des afrique.*.