Perhaps you should try some spelling variations:
communication 1 » communication _, communication a, communication 3
technologies 1 » technologies _, technologies 4, technologies 2
development l » development li, development 1, development law
l afrique » en afrique
1 human » 2 human, 3 human
gap d » gap _, gap 4, gap a

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 1 information gap d _ communication 1 human development l afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 information gap d _ communication 1 human development l afrique.*.