Perhaps you should try some spelling variations:
technological route » technological routes, technological growth, technological frontier
route information » house information, rate information, acute information
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
et afrique » en afrique, l afrique
table de » table des, table _, table 1
costs a » costs _, costs 4
de 6.2 » date 6.2, done 6.2

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

• Adding a wildcard symbol may retrieve word variants: technological route information table de 6.2 communication costs a developpement et afrique.*.