Perhaps you should try some spelling variations:
4.1.1 communication » 4.1.7 communication, 4.2.1 communication, 4.5.1 communication
de developpement » sme development
developpement de » developpement des, developpement durable
technology log » technology lag, technology low, technology law
inflation good » inflation gopi, inflation gerold, inflation gross
log inflation » low inflation, local inflation, lower inflation
time 4.1.1 » time 2.3.1
de afrique » de l'afrique, en afrique, l afrique
good time » good times
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology log inflation good time 4.1.1 communication costs de developpement de afrique.*.