Perhaps you should try some spelling variations:
des communication » les communications, nets communication, c's communication
technologies fit » technologies bit, technologies fail, technologies fish
fit introduction » kit introduction, diet introduction, list introduction
3.1 development » 2 development
development en » developpement en, development menu, development eco
basic case » basic cases, basin case, basins case
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
case des » cases des, case das, phase des

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

• Adding a wildcard symbol may retrieve word variants: technologies fit introduction basic case des communication costs 3.1 development en afrique.*.