Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhin ve da snippets" » "nhin viet da snippets", "nhien va da snippets", "nhin ve dao snippets", "nhin ve dat snippets", "nhin ve dan 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: (((("nhin ve da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhin ve da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhin ve da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhin ve da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.