Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
technology gaps » technology gap
4 communication » 3 communication, 5.4 communication, de communication
gaps inflation » has inflation, grade inflation, rapid inflation
du afrique » en afrique, l afrique, de l'afrique
costs au » costs a, costs amy, costs _
price 4 » price _, price 3, price a

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation _ price 4 communication costs au developpement du afrique.*.