Perhaps you should try some spelling variations:
technologies iot » technologies ict, technologies icts, technologies art
3 communications » 3 communication, 2 communications, 4 communications
developpement et » developpement des, developpement de, development east
iot information » ist information, cost information, plot information
information 1.2 » information 1.5.2, information 2
et afrique » en afrique, l afrique
1.2 e » 1.2 el, 1.2 eq, 1.2 es
5 set » 5 sets, a set, 2 set
_ set » _ sea, _ sex
e 3 » es 3, eu 3

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 iot information 1.2 e 3 communications ((5 set) OR (_ set)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies iot information 1.2 e 3 communications ((5 set) OR (_ set)) developpement et afrique.*.