Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach dat te snippets" » "sach dao te snippets", "sach danh te snippets", "sach bai te snippets", "sach dat de snippets", "sach dat tren snippets", "sach dat tieu 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 dat te 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 dat te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach dat te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach dat te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.