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