Perhaps you should try some spelling variations:
reservation wages » reservation wage
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
how reservation » how conservation, _ reservation, 2.8 reservation
technology how » technology 1, technology 2.2, technology 3
wages space » wages race
space 6.2 » spaces 6.2, space 3.2, space 2.2
costs le » 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 how reservation wages space 6.2 communication costs le developpement en afrique.*.