Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den co do snippets" » "den coi do snippets", "den o do snippets", "den do do snippets", "den co dot snippets", "den co don snippets", "den co so snippets"
"locating bug code snippets" » "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: (((("den co do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den co do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den co do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den co do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.