Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan giai hon snippets" » "dan gian hon snippets", "luan giai hon snippets", "va giai hon snippets", "dan giai han snippets", "dan gioi hon snippets", "dan giai phong 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: (((("dan giai hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan giai hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan giai hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan giai hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.