Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
information port » information part, information portal, information import
communications a » communications _, communications law, communications media
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
port de » sport de, fort de, port du
de 3.1 » de 3.2, de 3.3, de 3.4
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information port de 3.1 communications a de developpement en afrique.*.