Perhaps you should try some spelling variations:
information survey » information sources, information source, information series
oral communication » personal communication
developpement dans » developpement sans, developpement des, developpement d'une
technologies past » technologies part, technologies pt, technologies art
past information » plant information, cost information, ist information
de developpement » sme development
dans africa » loans africa, does africa, gays africa
survey new » survey near, surveying new, survey annex
new oral » new moral, knew moral, new rural
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 past information survey new oral communication a de developpement dans africa.*.