Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
port development » export development, airport development, forest development
development eco » development second, development east, development menu
variation de » variation des, variation der, variation due
6 variation » 6 variations, _ variation, 2 variation
de monetary » die monetare, fed monetary, new monetary
eco afrique » en afrique
typology 6 » typology _, typology 4.1
costs port » costs part, costs export, costs short

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

• Adding a wildcard symbol may retrieve word variants: typology 6 variation de monetary data communications costs port development eco afrique.*.