Perhaps you should try some spelling variations:
developpement du » developpement de, developpement des, developpement et
de communication » mobile communication, online communication
4 developpement » de developpement, le developpement, et developpement
technology gap » technology 1, technology 2.2, technology 3
inflation good » inflation gopi, inflation gerold, inflation gross
gap inflation » has inflation, grade inflation, rapid inflation
good price » goods price, food price, goods prices
du afrique » en afrique, l afrique, de l'afrique
price de » price _, price 3, price a
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation good price de communication costs 4 developpement du afrique.*.