Perhaps you should try some spelling variations:
information wages » information age, information wants, information war
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
development east » development southeast, development 1
gap information » sap information, amp information, erp information
technology gap » technology 1, technology 2.2, technology 3
east afrique » east africa, east african, en afrique
wages trade » wages race, wharves trade, states trade
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology gap information wages trade 6.2 communication costs a development east afrique.*.