Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
inflation target » inflation targeting, inflation rate, inflation rates
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
target task » target tasks, target risk, target tax
de afrique » de l'afrique, en afrique, l afrique
task 5.2 » tasks 5.2, task 4.2, task 5.3
costs et » costs _, costs 4, costs a

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 task 5.2 communication costs et developpement de afrique.*.