Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"post hoc tac snippets" » "post hoc tach snippets", "post hoc tap snippets", "post hoc cac snippets", "most hoc tac snippets", "cost hoc tac snippets", "post hoc tac slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("post hoc tac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("post hoc tac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( post hoc tac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("post hoc tac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.