Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
du developpement » de developpement, le developpement, et developpement
developpement il » developpement de, developpement et, developpement du
3 integration » die integration, der integration, data integration
technology 3 » technology _, technology 1, technology 4
il afrique » l afrique, en afrique
trade 4.1 » trade 2.2, trade 3.2
costa du » costa del, costa e, costa 3
3 trade » 1 trade, 4 trade, 2 trade

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

• Adding a wildcard symbol may retrieve word variants: technology 3 integration 3 trade 4.1 communication costa du developpement il afrique.*.