Perhaps you should try some spelling variations:
"spanish literature american influences." » "spanish literatura americana influences.", "spanish literatura america influences.", "spanish literature mexican influences."
"spanish literature african influences." » "spanish literatura africana influences.", "spanish literature mexican influences.", "spanish literatura americana influences.", "spanish literature german influences.", "spanish literature arab influences.", "spanish literature classical influences."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("spanish literature african influences.") or ("spanish literature american influences."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("spanish literature african influences.") OR ("spanish literature american influences."))*.
• Removing quotes may allow a broader search: (( spanish literature african influences. ) or ( spanish literature american influences. ))*.