Perhaps you should try some spelling variations:
"klein primer" » "ein primer", "klein daimler", "klein kramers", "klein pricer", "klein crimer"
"un primer" » "un premier", "_ primer", "1 primer", "un pricer", "un crimer"
"klein prime" » "klein price", "klein crime"

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: (("klein prime") OR ((("klein primer") OR ("un primer")))).
• Removing quotes may allow a broader search: (( klein prime ) or ((( klein primer ) or ( un primer )))).
• Adding a wildcard symbol may retrieve word variants: (("klein prime") or ((("klein primer") or ("un primer"))))*.