Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
des developpements » deux developpements, de developpement, et developpements
integration wages » integration wage, integration wege, integration wie
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpements du » developpement du, developpements de, developpement de
4 integration » 3 integration, 2 integration, 4.1 integration
technology 4 » technology _, technology 1, technology 3
wages race » wages trade, wage rate, wages case
du afrique » en afrique, l afrique, de l'afrique
costa des » costa del, costa e, costo del
race 6.2 » grace 6.2, race 4.2, race 6.4

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integration wages race 6.2 communication costa des developpements du afrique.*.