Perhaps you should try some spelling variations:
information vector » information section, information directory, information vorwort
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
do information » 2 information, 1 information, 3 information
technology do » technology does, technology dlt, technology 1
vector spaces » vector space
spaces 2.5 » spaces 2.1, spaces 2.2, spaces 2.3
la afrique » l afrique, la fabrique, en afrique
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 do information vector spaces 2.5 communication costs a developpement la afrique.*.