Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
information based » information case, information bank, transformation based
development aside » development aid, development asia, development guide
aids information » chandos information, series information
4 development » 2 development, 4 developing
aside areas » marine areas, alpine areas, saline areas
based debt » based deep, based direct
debt oral » debt moral, debt oil
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information based debt oral communication costs 4 development aside areas.*.