Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam ban coc snippets" » "nam dan coc snippets", "nam van coc snippets", "nam tan coc snippets", "nam ban co snippets", "nam bat coc snippets", "nam ban cong 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 ban coc 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 ban coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam ban coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam ban coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.