Perhaps you should try some spelling variations:
technologien labor » technology labor, technologies lasers, technologien fur
oral communication » personal communication
communication code » communications code, communication cote, communication mode
labor information » sector information
information 2.5.2 » information 1.5.2, information 2.2.2, information 2.3.2
developing basin » developing asia, developing asian, developing based
3 developing » 3 development
basin access » basic access, gain access, based access
2.5.2 pay » 2.5.2 path, 2.5.2 a, 2.5.2 das
pay oral » pay rural, why oral
code 3 » code _, code 2, code a

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

• Adding a wildcard symbol may retrieve word variants: technologien labor information 2.5.2 pay oral communication code 3 developing basin access.*.