Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat sach mon snippets" » "mat sach mon snippets", "dat khach mon snippets", "nam sach mon snippets", "dat sach moi snippets", "dat sac mon snippets", "dat sach song 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: (((("dat sach mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat sach mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat sach mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat sach mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.