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

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