Perhaps you should try some spelling variations:
interaction chapter » interactions chapter, integration chapter, introduction chapter
user interaction » computer interaction
de communication » mobile communication, online communication
developpement la » developpement de, developpement et, developpement du
technology user » technology users, technology use, technology used
4 developpement » de developpement, le developpement, et developpement
la afrique » l afrique, la fabrique, en afrique
four de » four key, four lep
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology user interaction chapter four de communication costs 4 developpement la afrique.*.