Perhaps you should try some spelling variations:
test development » forest development, port development, mena development
communications a » communications _, communications law, communications media
variation des » variation _, variation 6, variation series
development l » development li, development 1, development law
typologies 2 » typologies _, typologies 3, typologies 2.3
2 variation » 2 variations
l afrique » en afrique
den data » dan data, open data, den daten
dn data » dan data, n data, own data

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologies 2 variation des ((den data) OR (dn data)) communications a test development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies 2 variation des ((den data) OR (dn data)) communications a test development l afrique.*.