Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi nghe do snippets" » "voi nghe do snippets", "gioi nghe do snippets", "nuoc nghe do snippets", "noi nghe co snippets", "noi nghe so snippets", "noi nghe di 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 nghe do 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 nghe do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi nghe do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi nghe do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.