Perhaps you should try some spelling variations:
communications pt » communication pt, communications _, communications a
de developpement » sme development
developpement de » developpement des, developpement durable
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
de afrique » de l'afrique, en afrique, l afrique
13 does » 10 does
1 does » 10 does, 12 does, 19 does
pt de » et de, pt d, pt e

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: "typology de variation ((1 does) OR (13 does)) data communications pt de developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology de variation ((1 does) OR (13 does)) data communications pt de developpement de afrique.*.