Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat hua son snippets" » "dat cua son snippets", "dat luan son snippets", "dat khoa son snippets", "dat ha son snippets", "dat huu son snippets", "dat hoa son 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 hua son 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 hua son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat hua son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat hua son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.