Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
technology risks » technology risk, technological risks, technology r
risks education » hicks education, rights education, pisa's education
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
education rate » education relate, education state, education raise
l afrique » en afrique
rate map » rate maps, rated map, rate cap
map 2.1 » map 4.1, trap 2.1
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology risks education rate map 2.1 communication costs a developpement l afrique.*.