Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc nghe noi snippets" » "hoc nghien noi snippets", "khoe nghe noi snippets", "hoc he noi snippets", "hoc nghe hoa snippets", "hoc ghep noi snippets", "hoc 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: (((("hoc 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: (((("hoc nghe noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc nghe noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc nghe noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.