Perhaps you should try some spelling variations:
trade development » software development
a communications » a communication, data communications, a communicative
communications 5 » communications _, communications a, communications pt
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
1 afrique » l afrique, en afrique, 1 enrique
5 trade » 1 trade, 4 trade, 2 trade
6 does » 16 does, 4 does, 1 does
2 does » 4 does

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: "typology des variation ((6 does) OR (2 does)) a communications 5 trade development 1 afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation ((6 does) OR (2 does)) a communications 5 trade development 1 afrique.*.