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