Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
methods interaction » methods introduction, metal interaction, methods integrating
iraq communications » iran communications, rural communications, chad communications
technology methods » biotechnology methods, technologies methods, methodology methods
interaction term » interaction _
development l » development li, development 1, development law
term kann » term bank
l afrique » en afrique
costs 2 » costs 20, 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 methods interaction term kann iraq communications costs 2 development l afrique.*.