Perhaps you should try some spelling variations:
technologies things » technologies ethics, technologies going, technologies teaching
things integration » china's integration, china integration, doing integration
oral communication » personal communication
3 developing » 3 development
developing 4 » developing _, developing a, developing e
done oral » done morals, one moral, done overall
und done » und doing, und dank, und de
costs 3 » costs _, costs 4, costs a
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologies things integration und done oral communication costs 3 developing 4 areas.*.