Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua manh hon snippets" » "cua thanh hon snippets", "cua doanh hon snippets", "cua nganh hon snippets", "cua manh ho snippets", "cua minh hon snippets", "cua manh huong 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: (((("cua manh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua manh hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua manh hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua manh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.