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

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