Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam de do snippets" » "nam da do snippets", "nam do do snippets", "nam he do snippets", "nam de dao snippets", "nam den do snippets", "nam de doi 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: (((("nam de 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: (((("nam de do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam de do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam de do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.