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

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