Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
technologies 2 » technologies _, technologies 4
information pt » information part, information 1, information 1.2
development la » development law, development li, development land
la afrique » l afrique, la fabrique, en afrique
de voice » de voce, de voie, new voice
pt de » et de, pt d, pt e
2 sme » _ sme, 2 sie, 3 sme
2 mme » 2 mae

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 2 information pt de voice communications ((2 sme) OR (2 mme)) development la afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 2 information pt de voice communications ((2 sme) OR (2 mme)) development la afrique.*.