Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication model » communication media
outer development » foster development, water development, order development
integration work » integrating world, integration framework, integration 3
technology zur » technology 4ir, technologien zur, technology _
development en » developpement en, development menu, development eco
model outer » model order, model output, model matter
1.2 verbal » 1.1 verbal, 7.2 verbal, 1.2.1 verbal
work 1.2 » work 2.1, work 2, work 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology zur integration work 1.2 verbal communication model outer development en afrique.*.