Perhaps you should try some spelling variations:
"karl-car" » "karl-care", "karl-carl"
"kalt-agar" » "kalk-agar", "kalt-gar"
"kali-agar" » "kali-gar", "kai-agar", "kari-agar"
"kant-agar" » "kant-gar", "kann-agar", "kent-agar"
"kat-agab" » "kate-agab", "katz-agab", "kato-agab", "kat-arab"

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: ("karl-car" OR (("kalt-agar" OR "kali-agar") OR ("kat-agab" OR "kant-agar")))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(\"karl-car\" or ((\"kalt-agar\" OR \"kali-agar\") or (\"kat-agab\" or \"kant-agar\")))*".
• Removing quotes may allow a broader search: ( karl-car or (( kalt-agar OR kali-agar ) or ( kat-agab or kant-agar )))*.