Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
integration pork » integration work, integration post, integration report
developpement la » developpement de, developpement et, developpement du
dis integration » disintegration _
4 developpement » de developpement, le developpement, et developpement
technology dis » technology does, technology 4ir, technology dlt
pork trade » book trade, export trade, import trade
la afrique » l afrique, la fabrique, en afrique
trade 2.3 » trade 2.2, trade 2.1, trade 1.3
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology dis integration pork trade 2.3 communication costs 4 developpement la afrique.*.