Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den di trac slippers" » "den di tac slippers", "den di tray slippers", "den li trac slippers", "dien di trac slippers", "den do trac slippers", "ben di trac slippers", "den di trac slippery", "den di trac grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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