Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc tu len snippets" » "luc tu len snippets", "duc tu lenh snippets", "duc tu lien snippets", "duc tu le snippets", "duc tu len slippers"

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

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