Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
simulation target » inflation target, population target, spallation target
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
technology using » technology during, technology summing, technology brings
using simulation » making simulation, event simulation
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
target date » target rate, target range
l afrique » en afrique
date 3.5 » data 3.5, dat 3.5, debate 3.5
paper de » paper d, paper e, paper ten

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

• Adding a wildcard symbol may retrieve word variants: technology using simulation target date 3.5 communication paper de developpement l afrique.*.