Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology early » technology energy, technology era, technology enabled
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
detection rates » detection rate, rejection rates, protection rates
rates idrs » rates irs, rates des
idrs 3.2 » iprs 3.2, das 3.2, dcrs 3.2
costs le » 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 early detection rates idrs 3.2 communication costs le developpement en afrique.*.