Perhaps you should try some spelling variations:
technology german » technology germany, technology thermal, technology human
3.2 communication » 3 communication, 2.3 communication, de communication
communication can » communication canada, communication china, communication 3
cas developpement » au developpement, des developpements, gas development
inflation target » inflation targeting, inflation rate, inflation rates
developpement en » developpement et, developpement des, developpement de
target while » targets whole, target file, targets where
while 3.2 » chile 3.1, chile 3.4, cile 3.2
can cas » can cash, can cause, can camp

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

• Adding a wildcard symbol may retrieve word variants: technology german inflation target while 3.2 communication can cas developpement en afrique.*.