Perhaps you should try some spelling variations:
technologies authors » technologies methods, technologies cohort, technology author
10 communication » 1 communication, de communication, 3 communication
de developpement » sme development
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
a de » a die, a der, a des

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 10 communication a de developpement de afrique.*.