Perhaps you should try some spelling variations:
technology service » technology services, technology series, technology overview
service conclusion » services conclusion, services conclusions, servings conclusion
era developpement » et developpement, en developpement, leur developpement
de communication » mobile communication, online communication
conclusion 3.6 » conclusion 3.2, conclusion 3.4, conclusion 3.5.1
des afrique » en afrique, de l'afrique
media era » media a, media art
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technology service conclusion 3.6 die de communication media era developpement des afrique.*.