Perhaps you should try some spelling variations:
personal communication » interpersonal communication
4 developpement » de developpement, le developpement, et developpement
developpement a » developpement la, developpement de, developpement et
new personal » der personal, how personal, de personal
a afrique » l afrique, en afrique
costs 4 » costs _, costs a, costs 4.2

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 about new personal communication costs 4 developpement a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about new personal communication costs 4 developpement a afrique.*.