Perhaps you should try some spelling variations:
reservation wages » reservation wage
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement en » developpement et, developpement des, developpement de
2.2 reservation » 2.2 preservation, 2.8 reservation, 2.2 observation
4 developpement » de developpement, le developpement, et developpement
technology 2.2 » technology _, technology 1, technology 3
wages space » wages race
space 6.2 » spaces 6.2, space 3.2, space 2.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 reservation wages space 6.2 communication costs 4 developpement en afrique.*.