Perhaps you should try some spelling variations:
paper communications » power communication, face communications, layer communication
sme development » trade development
technologies 4 » technologies _
development de » development d, development ds, developpement de
4 information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique
pt e » pt 2, pt 3, pt 4
pt 1 » pt 2

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 4 information ((pt e) OR (pt 1)) paper communications _ sme development de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information ((pt e) OR (pt 1)) paper communications _ sme development de afrique.*.