Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi toi du snippets" » "noi doi du snippets", "doi toi du snippets", "noi soi du snippets", "noi toi uu snippets", "noi tri du snippets", "noi toi da 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: (((("noi toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi toi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi toi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.