Perhaps you should try some spelling variations:
"programmer to programmer" » "programme to programme", "programmes to programmes", "programm to programm"
"Programmer to programmers" » "Programmer to programmes", "Programmer to programmess", "Programmer to programms", "Programmer to programme"
"Programmer to programmess" » "Programmer to programmes", "Programmer to programmersis", "Programmer to programmeurs"

Try widening your search to All Fields.

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: (("programmer to programmer") OR ((("Programmer to programmers") OR ("Programmer to programmess")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"programmer to programmer\") or (((\"Programmer to programmers\") OR (\"Programmer to programmess\"))))".
• Removing quotes may allow a broader search: (( programmer to programmer ) or ((( Programmer to programmers ) OR ( Programmer to programmess )))).
• Adding a wildcard symbol may retrieve word variants: (("programmer to programmer") or ((("Programmer to programmers") OR ("Programmer to programmess"))))*.