Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement du » developpement de, developpement des, developpement et
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
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 do » 3 d, 1 do, 3 co

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology der inflation rate file de communication ((3 do) OR (_ do)) developpement du afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technology der inflation rate file de communication ((3 do) OR (_ do)) developpement du afrique.*".