Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban noi co snippets" » "ban nuoi co snippets", "ban moi co snippets", "van noi co snippets", "ban noi cho snippets", "ban noi bo 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: (((("ban 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: (((("ban noi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban noi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban noi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.