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