Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan cau hon snippets" » "phan dau hon snippets", "phan cac hon snippets", "phan tu hon snippets", "phan cau hoi snippets", "phan cau hoa snippets", "phan ca hon 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: (((("phan cau 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: (((("phan cau hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cau hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cau hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.