Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
technology flow » technology low, technology from, technology food
inflation trade » inflation rate, inflation rates, inflation tax
4 communication » 3 communication, 5.4 communication, de communication
flow inflation » low inflation, food inflation, log inflation
de afrique » de l'afrique, en afrique, l afrique
area 4 » area _, area 5, area a

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

• Adding a wildcard symbol may retrieve word variants: technology flow inflation trade area 4 communication _ des developpement de afrique.*.