Perhaps you should try some spelling variations:
technologies 2.1 » technologies _, technologies 4, technologies a
de communication » mobile communication, online communication
de developpement » sme development
total labor » local labor, total factor
des africa » does africa, yes africa, de africa
2.1 total » 3.1 total, 2.2 total, 2.4 total
labor die » labor das, labor day, labor do
media de » media die, media der, media diet
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 total labor die de communication media de developpement des africa.*.