Perhaps you should try some spelling variations:
technologies basic » technologies based, technologies bit, technologies big
trade developement » trade development, trade developments, trades development
basic formulation » basic population, bayesian formulation, policy formulation
formulation where » formulation over, formulation des, calculation where
communication 1 » communication _, communication a, communication 3
developement de » developpement de, developpement des, developpements de
de afrique » de l'afrique, en afrique, l afrique
where do » where _
1 trade » 4 trade

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

• Adding a wildcard symbol may retrieve word variants: technologies basic formulation where do _ communication 1 trade developement de afrique.*.