Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach nam da snippets" » "cach lam da snippets", "cach nao da snippets", "cach noi da snippets", "cach nam dan snippets", "cach nam a snippets", "cach nam va 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: (((("cach nam 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: (((("cach nam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach nam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.