Perhaps you should try some spelling variations:
information wharves » information harness, information sharing, information survey
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement de » developpement des, developpement durable
end information » und information, nd information, trend information
technology end » technology e, technology e.g, technology era
wharves trade » charters trade, wages trade
de afrique » de l'afrique, en afrique, l afrique
trade 2.2 » trade 3.2, trade 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology end information wharves trade 2.2 communication costs _ developpement de afrique.*.