Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
developpement de » developpement des, developpement durable
2 developpement » de developpement, le developpement, et developpement
debt online » net online, adopt online
de afrique » de l'afrique, en afrique, l afrique
3.2 debt » 3.2 det, 4.2 debt, 3.2.4 debt
costs 2 » costs 20, costs _, costs 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information 3.2 debt online communication costs 2 developpement de afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information 3.2 debt online communication costs 2 developpement de afrique.*.