Perhaps you should try some spelling variations:
communications jean » communications juan, communications can, communications en
information 2.3.3 » information 4.3.3, information 2.3.2, information 3.3.3
do communications » 10 communications, 14 communications, 2 communications
dr developpement » de developpement, du developpement, le developpement
des afrique » en afrique, de l'afrique
2.3.3 der » 2.3.1 der, 2.3.2 der, 3.3.3 der
jean dr » jean de, jean r, juan dr
der do » der de, der db, der does

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 2.3.3 der do communications jean dr developpement des afrique.*.