Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology flow » technology low, technology from, technology food
4 communication » 3 communication, 5.4 communication, de communication
flow inflation » low inflation, food inflation, log inflation
inflation safe » inflation rate, inflation rates, inflation taxes
spaces 4 » spaces _, spaces 3, spaces 1

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

• Adding a wildcard symbol may retrieve word variants: technology flow inflation safe spaces 4 communication _ des developpement en afrique.*.