Perhaps you should try some spelling variations:
proper communication » power communication, prone communication, provider communication
de developpement » sme development
developpement de » developpement des, developpement durable
how valuation » how evaluation, flow valuation, how variation
typology how » typology from, typology _, typology 4.1
de afrique » de l'afrique, en afrique, l afrique
des ag » des afg, des abgb
des a » des _, des 3, des e

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 how valuation ((des a) OR (des ag)) proper communication _ de developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology how valuation ((des a) OR (des ag)) proper communication _ de developpement de afrique.*.