Perhaps you should try some spelling variations:
technology interaction » technology integration, technology international, technology introduction
communication costa » communication costs, communications costs, communication cote
2.3 communication » 3.2 communication, de communication, 4 communication
en developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
world travel » world trade
travel 2.3 » travel 2.2, travel 3.4, travel 3.7
de afrique » de l'afrique, en afrique, l afrique
costa en » costa e, costa leon, acosta et

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

• Adding a wildcard symbol may retrieve word variants: technology interaction _ world travel 2.3 communication costa en developpement de afrique.*.