Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngay sua can snippets" » "ngay sau can snippets", "nghe sua can snippets", "may sua can snippets", "ngay cua can snippets", "ngay su can snippets", "ngay sua nang 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: (((("ngay sua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngay sua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngay sua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngay sua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.