Perhaps you should try some spelling variations:
"walk and talk" » "walt and talk", "wark and talk", "wolk and talk", "walk and task"
"walk and tall" » "walt and tall", "wark and tall", "wolk and tall", "walk and tell", "walk and hall", "walk and all"
"walk and tal" » "walt and tal", "wark and tal", "wolk and tal"
"falk and tall" » "falk and tell", "falk and hall", "falk and all", "fall and tall", "folk and tall", "fals and tall"
"wall and tall" » "wall and tell", "wall and hall", "wall and all", "hall and tall", "well and tall", "all and tall"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("walk and talk") OR ((((((("walk and tall") OR ("falk and tall"))) OR ("walk and tal"))) OR ("wall and tall"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"walk and talk\") OR (((((((\"walk and tall\") OR (\"falk and tall\"))) OR (\"walk and tal\"))) OR (\"wall and tall\"))))".
• Removing quotes may allow a broader search: (( walk and talk ) OR ((((((( walk and tall ) OR ( falk and tall ))) OR ( walk and tal ))) OR ( wall and tall )))).
• Adding a wildcard symbol may retrieve word variants: (("walk and talk") OR ((((((("walk and tall") OR ("falk and tall"))) OR ("walk and tal"))) OR ("wall and tall"))))*.