Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications model » communications models, communication model, communicating model
integrating world » integrated world, integrating area, integrating land
171 integrating » 7 integrating, 1 integrating, 10 integrating
technology 171 » technology 1.1, technology 11, technology 10.1
au development » eu development, au developpement, 2 development
development en » developpement en, development menu, development eco
3 guinea » _ guinea, 3.1 guinea, a guinean
model au » modele au, model a, model aa
world 3 » world _, world a, world 1

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

• Adding a wildcard symbol may retrieve word variants: technology 171 integrating world 3 guinea communications model au development en afrique.*.