Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology south » technology study, technology set, technology state
south insulation » sound insulation, ground insulation, south integration
insulation wages » insulation case, insulation layer, insulation e2
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
de fabrique » la fabrique, de l'afrique
wages race » wages trade, wage rate, wages case
race 3.2 » race 3.7, race 4.2, rice 3.2
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 south insulation wages race 3.2 communication costs 4 developpement de fabrique.*.