Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc cau ca snippets" » "duc hau ca snippets", "duc mau ca snippets", "duc cac ca snippets", "duc cau cua snippets", "duc cay ca snippets", "duc cau ha 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: (((("duc cau ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc cau ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc cau ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc cau ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.