Perhaps you should try some spelling variations:
"walk and talk" » "walt and talk", "wark and talk", "falk and talk", "walk and task"
"walk and tall" » "walt and tall", "wark and tall", "falk and tall", "walk and tell", "walk and hall", "walk and all"
"walk and tal" » "walt and tal", "wark and tal", "falk and tal"
"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 ("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 (\"walk and tal\"))) OR (\"wall and tall\"))))".
• Removing quotes may allow a broader search: (( walk and talk ) OR ((((( walk 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 ("walk and tal"))) OR ("wall and tall"))))*.