Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication 3.2 » communication 3.3, communication 3.4, communication 2
variation among » starvation among, formation among, variation von
smc development » sic development, gcc development, wec development
development en » developpement en, development menu, development eco
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
had verbal » a verbal
among had » among hard, among khat, among a
3.2 smc » 2.2 smc, 3.2 smt, 7.2 smc

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

• Adding a wildcard symbol may retrieve word variants: typologie die variation among had verbal communication 3.2 smc development en afrique.*.