Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
4.2 developpement » 4.2 development, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology flow » technology low, technology from, technology food
inflation rates » inflation rate
flow inflation » low inflation, food inflation, log inflation
space 3.2 » space 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology flow inflation rates space 3.2 communication costs 4.2 developpement en afrique.*.