Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con cac don snippets" » "chon cac don snippets", "cong cac don snippets", "co cac don snippets", "con cac dan snippets", "con cac mon snippets", "con cac doanh 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: (((("con cac don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con cac don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con cac don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con cac don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.