Perhaps you should try some spelling variations:
oral communication » personal communication
sme development » trade development
development en » developpement en, development menu, development eco
typology de » typology _, typology 6, typologie des
variation 6 » variation _, variations _, variation des
typology a » typology _, typology 6, theology a
6 fires » _ fires, 6 fire, 6 firms
a sme » _ sme, 3 sme, 5 sme

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: "((typology de) OR (typology a)) variation 6 fires oral communication a sme development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: ((typology de) OR (typology a)) variation 6 fires oral communication a sme development en afrique.*.