Perhaps you should try some spelling variations:
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement en » developpement et, developpement des, developpement de
technology low » technology flow, technology law, technology led
low inflation » core inflation, _ inflation
target file » target field, target while, target fish
file 1.3 » file 13, file 10, file 11

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

• Adding a wildcard symbol may retrieve word variants: technology low inflation target file 1.3 communication costs _ developpement en afrique.*.