Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam sach ho snippets" » "ngan sach ho snippets", "nam danh ho snippets", "nam sao ho snippets", "nam sach hoi snippets", "nam sach ha snippets", "nam sach lo 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: (((("python using java snippets") or ("nam sach ho snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nam sach ho snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nam sach ho snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nam sach ho snippets"))) or ("locating bug code snippets"))*.