Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement en » developpement et, developpement des, developpement de
technology flow » technology low, technology from, technology food
a developpement » au developpement, de developpement, le developpement
flow inflation » low inflation, food inflation, log inflation
inflation from » inflation rob, information from, inflation gross
from rates » from plates, from states, from rags
rates 4.2 » rates 4.5
costs a » costs _, costs 4

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

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