Perhaps you should try some spelling variations:
labor communication » layer communication, fiber communication, about communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
4 information » 2 information, 1 information
information 2 » information 3
technology 4 » technology _, technology 1, technology 3
formal labor » rural labor, local labor, total labor
2 formal » _ formal, a formal, 3 formal
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 2 formal labor communication costs de developpement en afrique.*.