Perhaps you should try some spelling variations:
guinea communication » guinea communications, guiana communications, china communication
yemen development » women development, uneven development, human development
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
variation das » variation des, variation data, variations des
dem guinea » new guinea
das dem » das der, das den, des dem

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(typologie OR typology) des variation das dem guinea communication _ yemen development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typology) des variation das dem guinea communication _ yemen development en afrique.*.