Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach hay can snippets" » "sach han can snippets", "sach ha can snippets", "sach nay can snippets", "sach hau can snippets", "sach hay cac snippets", "sach huy can 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: (((("sach hay 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: (((("sach hay can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach hay can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach hay can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.