Perhaps you should try some spelling variations:
les developpement » le developpement, des developpements, leur developpement
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
technology log » technology lag, technology low, technology law
log inflation » low inflation, local inflation, lower inflation
de afrique » de l'afrique, en afrique, l afrique
rate race » rat race, race race, age race
costs les » costs sales, costs fees
race 4.1 » race 4.10, rice 4.1, race 4.2

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 race 4.1 communication costs les developpement de afrique.*.