Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan giai du snippets" » "dan gian du snippets", "luan giai du snippets", "va giai du snippets", "dan gioi du snippets", "dan giai di snippets", "dan giao duc 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 du 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 du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan giai du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan giai du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.