Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam phan ca snippets" » "dam phan ca snippets", "nam thanh ca snippets", "nam thang ca snippets", "nam phan cac snippets", "nam phan cau snippets", "nam phan cam 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: (((("nam phan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam phan ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam phan ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam phan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.