Perhaps you should try some spelling variations:
lean communication » lea's communication, human communication, iran communications
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
5.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
contents 2.3 » content 2.3, contents 2.1, contents 2.5
costs 5.3 » costs 15.3, costs 2.3, costs 4.3
2.3 lean » 2.3 jean, 2.5 lean, 2.6 lean

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

• Adding a wildcard symbol may retrieve word variants: technologien als information contents 2.3 lean communication costs 5.3 developing _ africa.*.