Perhaps you should try some spelling variations:
4.3 information » 1 information
4 developpement » de developpement, le developpement, et developpement
technology 4.3 » technology 2.3, technology 3.3, technology 4.1
des afrique » en afrique, de l'afrique
costs 4 » costs _, costs a, costs 4.2
gap 4 » gap _, 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: technology 4.3 information gap 4 _ communication costs 4 developpement des afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology 4.3 information gap 4 _ communication costs 4 developpement des afrique.*.