Perhaps you should try some spelling variations:
"politics contemporary context" » "its contemporary context", "ethics contemporary context", "politics contemporary city", "politics contemporary culture"
"periods contemporary context" » "periods contemporary city", "periods contemporary culture", "its contemporary context"
"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: (((("politics contemporary context") OR ("periods contemporary context"))) OR ("polish contemporary chinese")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"politics contemporary context\") OR (\"periods contemporary context\"))) or (\"polish contemporary chinese\"))".
• Removing quotes may allow a broader search: (((( politics contemporary context ) OR ( periods contemporary context ))) or ( polish contemporary chinese )).
• Adding a wildcard symbol may retrieve word variants: (((("politics contemporary context") OR ("periods contemporary context"))) or ("polish contemporary chinese"))*.