Perhaps you should try some spelling variations:
3.4 communication » 5.4 communication, 3.2 communication, 3.5 communication
developpement la » developpement de, developpement et, developpement du
technology log » technology lag, technology low, technology law
log inflation » low inflation, local inflation, lower inflation
la afrique » l afrique, la fabrique, en afrique
rate rate » rates rates, rate ratio, rate water
rate 3.4 » rate 13.4, rate 2.4, rate 5.4

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

• Adding a wildcard symbol may retrieve word variants: technology log inflation rate rate 3.4 communication costs _ developpement la afrique.*.