Perhaps you should try some spelling variations:
technologies trade » technology trade, technologies case, technologies table
oral communication » personal communication
integration 17.2 » integration 17.4, integration 1.7.3, integration 7.7.2
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
17.2 do » 17.2 how
do oral » do rural, who oral
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 trade integration 17.2 do oral communication a de developpement l afrique.*.