Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
7.5 communication » 3.5 communication, 2.5 communication, 2.3 communication
developpement de » developpement des, developpement durable
technology gaps » technology gap
gaps inflation » has inflation, grade inflation, rapid inflation
de fabrique » la fabrique, de l'afrique
prices 7.5 » prices 5, prices 2.4, prices 2.1
costs des » costs fees

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation _ prices 7.5 communication costs des developpement de fabrique.*.