Perhaps you should try some spelling variations:
korea communications » guinea communications, data communications, a communications
communications costs » communication costs, communications _
formation evolution » information evolution, information revolution, information evaluation
stable development » scale development, state development, staff development
technology a » technology 1, technology 3, technology 4
costs stable » costs sales, costs shall
a formation » la formation, 1 formation, a formulation
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: technology a formation evolution _ korea communications costs stable development 1 afrique.*.