Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
communication 7.1 » communication 4.1, communication 1, communication 3.3
de developpement » sme development
technology use » technology 1, technology 2.2, technology 3
notation place » notation part, notation lcm, notation rate
use notation » und notation, music notation, use innovation
des afrique » en afrique, de l'afrique
space 6.2 » spaces 6.2, space 3.2, space 2.2
7.1 de » 7.1 die, 7.1 der, 7.1 drei

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

• Adding a wildcard symbol may retrieve word variants: technology use notation place space 6.2 communication 7.1 de developpement des afrique.*.