Perhaps you should try some spelling variations:
recognizing standing » recognizing handling, recognizing strong, recognizing learning
recognizing string » recognizing strong, recognizing seizing, recognizing using
springer kremser » springers grosser, springer brenden
springer einer » springer eine, springen eine, erbringer einer

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 kremser) OR (springer einer)), ((recognizing standing) OR (recognizing string)) ph.d. research.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((springer kremser) or (springer einer)), ((recognizing standing) OR (recognizing string)) ph.d. research".
• Adding a wildcard symbol may retrieve word variants: ((springer kremser) or (springer einer)), ((recognizing standing) OR (recognizing string)) ph.d. research*.