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

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