Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich noi co snippets" » "dich ngoai co snippets", "dich hoc co snippets", "cach noi co snippets", "dich noi cho snippets", "dich noi bo snippets", "dich moi co 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: (((("dich noi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich noi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich noi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich noi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.