Perhaps you should try some spelling variations:
datos communications » data communications, laos communications, states communications
communications 3 » communications _, communications a, communications 5
de developpement » sme development
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique
pt c » pt 2, pt 3, pt 4
pt 1 » pt 2
3 de » 3 die, 3 der, 3 des

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 c) OR (pt 1)) datos communications 3 de developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information ((pt c) OR (pt 1)) datos communications 3 de developpement de afrique.*.