Perhaps you should try some spelling variations:
technologies tax » technologies a, technologies box, technologies can
tax information » 2 information, 1 information
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
information a » information age, information about
l afrique » en afrique
3.4 du » 3.4 do, 3.4 dual
3.4 de » 3.4 die, 3.4 der, 3.4 den
a die » 2 die, 3 die, _ die
die 4 » die _, die e

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: "technologies tax information a die 4 communication ((3.4 du) OR (3.4 de)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies tax information a die 4 communication ((3.4 du) OR (3.4 de)) developpement l afrique.*.