Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghe cao noi snippets" » "nghe co noi snippets", "nghe nano noi snippets", "nghe chan noi snippets", "nghe cau noi snippets", "nghe dao noi snippets", "nghe nao noi 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: (((("nghe cao 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: (((("nghe cao noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghe cao noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghe cao noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.