Perhaps you should try some spelling variations:
"polish contemporary culture" » "polish contemporary chinese", "politics contemporary culture"
"periods contemporary city" » "its contemporary city", "periods contemporary china", "periods contemporary chinese"

Try widening your search to All Fields.

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: (("polish contemporary culture") OR ("periods contemporary city")).
• Removing quotes may allow a broader search: (( polish contemporary culture ) or ( periods contemporary city )).
• Adding a wildcard symbol may retrieve word variants: (("polish contemporary culture") or ("periods contemporary city"))*.