Perhaps you should try some spelling variations:
oral communication » personal communication
information 1.5.2 » information 1.2, information 2
communication pt » communication 3, communication 1, communication 2
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
1.5.2 do » 1.5.2 die, 1.5.2 _, 1.5.2 a
do oral » do rural, who oral
pt le » et le, pt e, p le

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 1.5.2 do oral communication pt le developpement en afrique.*.