Perhaps you should try some spelling variations:
deferred » referred (Expand Search), preferred (Expand Search), defended (Expand Search)
refereed » referee (Expand Search), referred (Expand Search), referenced (Expand Search)
inferred » infrared (Expand Search), referred (Expand Search), infected (Expand Search)
quantification* » identification* (Expand Search)
gamification* » amplification* (Expand Search), modification* (Expand Search), verification* (Expand Search)

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

• Removing quotes may allow a broader search: ((deferred OR refereed) OR inferred) (quantification* OR gamification*)~.