Perhaps you should try some spelling variations:
oral communication » personal communication
dams development » dam development, gas development, ads development
typologie cices » typologie eines, typologie des
cices variation » price variation, die variation, does variation
development lin » development li, development lid, development lie
variation der » variation des, variation bei, variation _
lin afrique » en afrique, l afrique
der water » der vater, under water, over water

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

• Adding a wildcard symbol may retrieve word variants: typologie cices variation der water oral communication _ dams development lin afrique.*.