Perhaps you should try some spelling variations:
chad communications » canada communications, chile communications, china communications
des variations » les variations, does variation, its variations
development l » development li, development 1, development law
l afrique » en afrique
2 sme » _ sme, 2 mme, 3 sme
2 sie » 12 sie, 2 site, _ sie
typologie » typologies, typology

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 des variations _ days chad communications ((2 sme) OR (2 sie)) development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variations _ days chad communications ((2 sme) OR (2 sie)) development l afrique.*.