Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
use development » case development, sme development, e development
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
costs use » costs used, costs uses, costs case
a afrique » l afrique, en afrique
cge data » age data, wage data, care data

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

• Adding a wildcard symbol may retrieve word variants: technologies a information _ cge data communications costs use development a afrique.*.