Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement du » developpement de, developpement des, developpement et
technology high » technology rights, technology how, technology help
du afrique » en afrique, l afrique, de l'afrique
rate file » case file, rate fee, rate firm
file de » file d, file re, ile de
3 fet » 3 fat
3 et » 13 et, 3 set, 23 et

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology high inflation rate file de communication ((3 et) OR (3 fet)) developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology high inflation rate file de communication ((3 et) OR (3 fet)) developpement du afrique.*.