Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
trade information » price information, private information, trade integration
3.7 communication » 3.2 communication, 2.7 communication, 3.5 communication
technology trade » technology trends, technology transfer, technology transfers
developpement du » developpement de, developpement des, developpement et
information age » information storage, information access, information about
e developpement » de developpement, le developpement, et developpement
du afrique » en afrique, l afrique, de l'afrique
age race » wages race, age range, cane race
race 3.7 » races 3.5, range 3.7, race 1.4

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

• Adding a wildcard symbol may retrieve word variants: technology trade information age race 3.7 communication costa e developpement du afrique.*.