Perhaps you should try some spelling variations:
oral communication » personal communication
cost variationen » cost variations, sowie variationen, 03 variationen
variationen des » variationen der, variation des, variations des
sme development » trade development
typologie cost » typologie des, typologie von, typologie et
development de » development d, development ds, developpement de
de afrique » de l'afrique, en afrique, l afrique
des ddr » der ddr, des dr, dem ddr

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

• Adding a wildcard symbol may retrieve word variants: typologie cost variationen des ddr oral communication _ sme development de afrique.*.