Perhaps you should try some spelling variations:
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
technology tan » technology than, technology tax, technology trap
tan innovation » lean innovation, plan innovation, von innovation
la afrique » l afrique, la fabrique, en afrique
model a » model 1
costs a » costs _, costs 4
a 4.3 » a 4.2, a 3.3, a 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology tan innovation model a 4.3 communication costs a developpement la afrique.*.