Perhaps you should try some spelling variations:
"sbornik praze vyzkumneho ustav dopravyho" » "sbornik praze vyzkumneho ustav dopravniho" (Expand Search), "sbornik praze vyzkumneho ustav dopravy" (Expand Search)
"sbornik prace vyzkumneho ustav dopravni" » "sbornik prace vyzkumneho ustav dopravy" (Expand Search)

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: "((\"sbornik praze vyzkumneho ustav dopravyho\") OR (\"sbornik prace vyzkumneho ustav dopravni\"))~".
• Removing quotes may allow a broader search: (( sbornik praze vyzkumneho ustav dopravyho ) OR ( sbornik prace vyzkumneho ustav dopravni ))~.
• Adding a wildcard symbol may retrieve word variants: (("sbornik praze vyzkumneho ustav dopravyho") OR ("sbornik prace vyzkumneho ustav dopravni"))*.