Perhaps you should try some spelling variations:
communication 3 » communication _, communication a
sme development » trade development
technologies 4 » technologies _
development de » development d, development ds, developpement de
4 information » 2 information, 1 information
information 1 » information 2, information 3, information 3.2
de afrique » de l'afrique, en afrique, l afrique
wie mass » wie mars, wie lasst, wie das
wie man » wie kann
3 sme » 3 same, _ sme, 3 smt

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 1 ((wie mass) OR (wie man)) communication 3 sme development de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1 ((wie mass) OR (wie man)) communication 3 sme development de afrique.*.