Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ly hoat snippets" » "cong ty hoat snippets", "cong li hoat snippets", "cong my hoat snippets", "cong ly hoa snippets", "cong ly hoan snippets", "cong lap hoat 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: (((("cong ly hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong ly hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ly hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ly hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.