Perhaps you should try some spelling variations:
3.2.3.2 communication » 3.2.3 communication, 3.3.2 communication, 6.2.4.2 communication
inflation target » inflation targeting, inflation rate, inflation rates
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
based inflation » cases inflation, based information, based innovation
file 3.2.3.2 » filter 3.2.3.2, lte 3.2.3.2
target file » target field, target while, target fish

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

• Adding a wildcard symbol may retrieve word variants: technology based inflation target file 3.2.3.2 communication _ du developpement en afrique.*.