Search for "query keyword-related-to-course". Press Enter for Search. Explanation: Google seems to be able to search through (even sometimes handwritten) PDFs. This search does a simple redirect Google with the filters for ethz.ch, type PDF and the current year added. Note: You can add this site as a search provider to your browser. Use the search URL "https://ethsearch.roettgers.co/q?=%s" [Source Code]