Perhaps you should try some spelling variations:
data communication » data communications
technologies hale » technologies have, technologies help, technologies case
calculation where » calculations charge, calculation source, calculations phase
hale calculation » value calculation, rate calculation, sample calculation
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
where do » where _
do data » eo data, go data, geo data

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

• Adding a wildcard symbol may retrieve word variants: technologies hale calculation where do data communication _ le developpement en afrique.*.