Perhaps you should try some spelling variations:
communication sector » telecommunication sector, telecommunications sector, communication series
oral communication » personal communication
other developments » further developments, further development, water development
technologies pay » technologies part, technologies past, technologies a
information need » information needs, information needed, information speed
pay information » party information, key information, ary information
sector other » factor other, sector offer, sector weather
need de » need le, need fide, need one
de oral » de otras, new oral

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

• Adding a wildcard symbol may retrieve word variants: technologies pay information need de oral communication sector other developments _ afrique.*.