Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
per developpement » leur developpement, de developpement, le developpement
technology costs » technology cost, technology course, technology case
costs education » cost reducation, across education, scores education
developpement l » developpement il, developpement la, developpement de
chapter six » chapter five
costa per » cost per, costs per, costa e
l afrique » en afrique
six risk » sex risky

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

• Adding a wildcard symbol may retrieve word variants: technology costs education chapter six risk communication costa per developpement l afrique.*.