Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan cuu noi snippets" » "phan cau noi snippets", "phan huu noi snippets", "phan cung noi snippets", "phan cuu hoi snippets", "phan cuu voi 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 cuu noi 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 cuu noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cuu noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cuu noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.