Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung noi de snippets" » "duong noi de snippets", "dung doi de snippets", "dung moi de snippets", "dung nuoi de snippets", "dung noi ve snippets", "dung noi da 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: (((("dung noi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung noi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung noi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung noi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.