Perhaps you should try some spelling variations:
integration matters » integration after, integration mittel, integration materials
communication costo » communication costs, communication costa, communications costs
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
del developpement » de developpement, des developpements, le developpement
developpement la » developpement de, developpement et, developpement du
matters trade » matter trade, charters trade, members trade
la afrique » l afrique, la fabrique, en afrique
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
costo del » costa del, cose del, costo e

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

• Adding a wildcard symbol may retrieve word variants: technology _ integration matters trade 6.2 communication costo del developpement la afrique.*.