Perhaps you should try some spelling variations:
labor communication » layer communication, fiber communication, about communication
21st information » cost information, ist information, asset information
developpement la » developpement de, developpement et, developpement du
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
a developpement » au developpement, de developpement, le developpement
areal labor » parental labor, formal labor, manual labor
la afrique » l afrique, la fabrique, en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 21st information _ areal labor communication costs a developpement la afrique.*.