Perhaps you should try some spelling variations:
developpement preface » developpement face, developpement examen, developpement rural
information needs » information networks
de developpement » sme development
preface africa » preface aida
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
5.11 mobile » 5.1.2 mobile, 2.1 mobile, 1.1 mobile
needs 5.11 » needs 3.1.1, needs 5.1.2, needs 5.1.5
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information needs 5.11 mobile communication a de developpement preface africa.*.