Perhaps you should try some spelling variations:
efficient communication » effective communication
des developpement » des developpements, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
technologies 2 » technologies _, technologies 4
1.3 efficient » 3.3 efficient, 6.3 efficient, 11 efficient
il afrique » l afrique, en afrique
table 1.3 » table 1.1, table 1.2, table 6.3
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information table 1.3 efficient communication a des developpement il afrique.*.