Perhaps you should try some spelling variations:
"viewegs schmelzbuch der technik" » "viewegs schulbuch der technik", "viewegs schmalenbach der technik", "vieweg schmelzbuch der technik"
"viewers schmelzbuch der technik" » "viewers schulbuch der technik", "viewers schmalenbach der technik"

Try widening your search to All Fields.

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: "((\"viewegs schmelzbuch der technik\") OR (\"viewers schmelzbuch der technik\"))".
• Removing quotes may allow a broader search: (( viewegs schmelzbuch der technik ) OR ( viewers schmelzbuch der technik )).
• Adding a wildcard symbol may retrieve word variants: (("viewegs schmelzbuch der technik") OR ("viewers schmelzbuch der technik"))*.