Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuat phan du snippets" » "thuat phan du snippets", "xuat nhap du snippets", "luan phan du snippets", "xuat phan dau snippets", "xuat phan duc snippets", "xuat phan dua 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: (((("xuat phan 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: (((("xuat phan du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuat phan du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuat phan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.