Perhaps you should try some spelling variations:
communication model » communication media
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
inflation gross » inflation across, inflation process, information gross
a developpement » au developpement, de developpement, le developpement
technology 3.1 » technology 1, technology 2.2, technology _
3.1 inflation » 3.2 inflation, 2.3.1 inflation, 2.3 inflation
gross prices » cross price, goods prices, gross proceeds
prices 3.2 » price 3.2, prices 3.1, prices 4.2
model a » model 1

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 inflation gross prices 3.2 communication model a developpement en afrique.*.