Perhaps you should try some spelling variations:
"walk and talk" » "wall and talk", "walt and talk", "falk and talk", "walk and tal", "walk and task", "walk and tall"
"wark and talk" » "wark and tal", "wark and task", "wark and tall", "work and talk", "mark and talk", "park and talk"
"ward and talk" » "ward and tal", "ward and task", "ward and tall", "word and talk"
"war and talk" » "war and tal", "war and task", "war 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 ((((("wark and talk") OR ("ward and talk"))) OR ("war and talk"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"walk and talk\") OR (((((\"wark and talk\") OR (\"ward and talk\"))) OR (\"war and talk\"))))".
• Removing quotes may allow a broader search: (( walk and talk ) OR ((((( wark and talk ) OR ( ward and talk ))) OR ( war and talk )))).
• Adding a wildcard symbol may retrieve word variants: (("walk and talk") OR ((((("wark and talk") OR ("ward and talk"))) OR ("war and talk"))))*.