Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan co da snippets" » "nhan con da snippets", "phan co da snippets", "nhan mo da snippets", "nhan co dan snippets", "nhan co dai snippets", "nhan co dau 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: (((("nhan co 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: (((("nhan co da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan co da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan co da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.