Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
integration wage » integration wege, integration wie, integration work
du developpement » de developpement, le developpement, et developpement
dis integration » disintegration _
developpement l » developpement il, developpement la, developpement de
technology dis » technology does, technology 4ir, technology dlt
wage trade » wages trade, wage rate, jade trade
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
l afrique » en afrique
costa du » costa del, costa e, costa 3

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

• Adding a wildcard symbol may retrieve word variants: technology dis integration wage trade 6.2 communication costa du developpement l afrique.*.