Perhaps you should try some spelling variations:
based development » basin development, land development, rapid development
de communication » mobile communication, online communication
development mode » development model, development models, development module
formation en » formation et, formation des, formation _
costs based » cost based, costs case, hots based
en dx » en de
dx de » d de, ix de, x de

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formation en dx de communication costs based development mode afrique.*.