Perhaps you should try some spelling variations:
oral communication » personal communication
technologies more » technologies market, technologies co, technologies art
more information » price information, trade information
information need » information needs, information needed, information speed
de development » e development, ce development, de developpement
need fide » need fit
a afrique » l afrique, en afrique
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies more information need fide oral communication costs de development a afrique.*.