Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi hoi doai snippets" » "noi hoi doi snippets", "noi hoi thoai snippets", "noi hoi dap snippets", "noi doi doai snippets", "doi hoi doai snippets", "hoi hoi doai 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 hoi doai 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 hoi doai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi hoi doai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi hoi doai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.