Perhaps you should try some spelling variations:
stroke communication » prone communication, spoken communication, style communication
technology during » technologies during, technology auditing, technology learning
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
active learning » machine learning
learning deft » learning data, learning drl, learning year
deft stroke » left strike
de africa » does africa, de america, use africa
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: technology during active learning deft stroke communication a des developpement de africa.*.