Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
5 communication » 3 communication, 4 communication, de communication
inflation gas » inflation das, inflation bias, inflation tax
de afrique » de l'afrique, en afrique, l afrique
prices 5 » prices _, prices a, prices 3
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation gas prices 5 communication costs au developpement de afrique.*.