Perhaps you should try some spelling variations:
bissau information » missing information
information vector » information section, information directory, information vorwort
technology bissau » technology isst, technology issue, technology based
4 communication » 3 communication, 5.4 communication, de communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
vector spaces » vector space
l afrique » en afrique
spaces 4 » spaces _, spaces 3, spaces 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 bissau information vector spaces 4 communication costs a developpement l afrique.*.