Perhaps you should try some spelling variations:
"vieweg kopftuch zur technik" » "vieweg kopftuch und technik", "vieweg kopftuch _ technik", "vieweg kopftuch der technik"
"vieweg kochbuch fur technik" » "vieweg kochbuch der technik", "vieweg fachbuch fur technik", "vieweg sachbuch fur technik"

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: (("vieweg kochbuch fur technik") OR ("vieweg kopftuch zur technik")).
• Removing quotes may allow a broader search: (( vieweg kochbuch fur technik ) or ( vieweg kopftuch zur technik )).
• Adding a wildcard symbol may retrieve word variants: (("vieweg kochbuch fur technik") or ("vieweg kopftuch zur technik"))*.