Perhaps you should try some spelling variations:
"springer finance business model" » "einer finance business model", "merger finance business model", "pardner finance business model"
"springer science using mobile" » "stronger science using mobile", "spring resilience using mobile", "river science using mobile"
"springer single business models" » "springer springe business models", "springer eine business models", "springer silke business models", "springer wrangle business models", "springer using business models", "springer sample business models"
"springer simple business models" » "springer silke business models", "springer sample business models", "springer complex business models", "springer example business models"

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: (((("springer finance business model") OR ("springer science using mobile"))) OR ((("springer single business models") OR ("springer simple business models"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"springer finance business model\") or (\"springer science using mobile\"))) or (((\"springer single business models\") OR (\"springer simple business models\"))))*".
• Removing quotes may allow a broader search: (((( springer finance business model ) or ( springer science using mobile ))) or ((( springer single business models ) OR ( springer simple business models ))))*.