Perhaps you should try some spelling variations:
technologies authors » technologies methods, technologies cohort, technology author
des developpement » des developpements, de developpement, le developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
formulacion who » formulacion de, formulation where
de afrique » de l'afrique, en afrique, l afrique
who does » whom does, who goes, who loses
does de » does debt
a des » a der, a das

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies authors formulacion who does de communication a des developpement de afrique.*.