Perhaps you should try some spelling variations:
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
nation chapter » action chapter, innovation chapter, education chapter
technology 3 » technology _, technology 1, technology 4
l afrique » en afrique
3 nation » a nation, 1 nation, 3 national
papers 4 » papers _, papers 5, papers 6
1 eu » _ eu, i eu, 1 zu
1 e » 1 le

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 3 nation chapter papers 4 communication ((1 eu) OR (1 e)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 nation chapter papers 4 communication ((1 eu) OR (1 e)) developpement l afrique.*.