Talvez debería tentar con algunhas variantes ortográficas:
communication conversation » communication information, communication cohesion, communication communication
conversation future » conversational turn, conversation course, conversation guide
education character » education chapter, educate character, education contracted
decision character » decision chapter, detection character, decisions chapter

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

• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversation future ((decision character) OR (education character)) level~.
• Adding a wildcard symbol may retrieve word variants: communication conversation future ((decision character) or (education character)) level*.