Perhaps you should try some spelling variations:
"czechoslovak border of sciences" » "czechoslovak power of sciences", "czechoslovak academy of sciences", "czechoslovakia river of sciences"
"czechoslovak road of sciences" » "czechoslovak power of sciences", "czechoslovakia a of sciences", "czechoslovak army of sciences"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"czechoslovak border of sciences\") OR (\"czechoslovak road of sciences\"))".
• Removing quotes may allow a broader search: (( czechoslovak border of sciences ) OR ( czechoslovak road of sciences )).
• Adding a wildcard symbol may retrieve word variants: (("czechoslovak border of sciences") OR ("czechoslovak road of sciences"))*.