Perhaps you should try some spelling variations:
"middle class culture" » "middle mass culture", "middle cross culture", "middle cells culture", "middle east culture"
"middle last culture" » "middle past culture", "middle plant culture", "middle yeast culture", "middle east culture", "middle late culture", "middle east's culture"

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: (("middle class culture") OR ("middle last culture"))*.
• Removing quotes may allow a broader search: (( middle class culture ) or ( middle last culture ))*.