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