Perhaps you should try some spelling variations:
oral communication » personal communication
information case » information based, information can, information costs
developing basic » developing asia, developing based, developing brazil
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
basic areas » basin area, basic ideas, basic access
case order » clause order, based order, case other

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

• Adding a wildcard symbol may retrieve word variants: technologie de information case order oral communication costs _ developing basic areas.*.