Perhaps you should try some spelling variations:
oral communication » personal communication
development lid » development led, development li, development lie
typologie les » typologie des, typologie der, typologie et
les variation » les variations, does variation, de variation
variation des » variation _, variation 6, variation series
lid afrique » l afrique
des weak » does weak, des werks, des war

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

• Adding a wildcard symbol may retrieve word variants: typologie les variation des weak oral communication _ gas development lid afrique.*.