Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat thu cau snippets" » "dat phu cau snippets", "sat thuc cau snippets", "dat tieu cau snippets", "dat nhu cau snippets", "dat thu dau snippets", "dat tu cau 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: (((("dat thu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat thu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat thu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat thu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.