Perhaps you should try some spelling variations:
6.4 communication » 5.4 communication, 1.4 communication, 2.4 communication
fat developpement » et developpement, au developpement, de developpement
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
rate spaces » state spaces, data spaces, safe spaces
spaces 6.4 » spaces 6.2, spaces 2.4, spaces 6.1
des arc » des art, des a2c, des arv

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation rate spaces 6.4 communication _ fat developpement des arc.*.