Perhaps you should try some spelling variations:
technological rate » technological route, technological routes, technological catch
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
rate information » trade information, care information, age information
au developpement » du developpement, de developpement, le developpement
developpement et » developpement des, developpement de, development east
et afrique » en afrique, l afrique
table de » table des, table _, table 1
costs au » costs a, costs amy, costs _
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 rate information table de 6.2 communication costs au developpement et afrique.*.