Perhaps you should try some spelling variations:
del developpement » de developpement, des developpements, le developpement
inflation target » inflation targeting, inflation rate, inflation rates
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
target espace » target spaces, target impact
costs del » costa del, costo del

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation target espace de communication costs del developpement en afrique.*.