Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam noi cau snippets" » "nam hoi cau snippets", "nam doi cau snippets", "nam nhin cau snippets", "nam loi cau snippets", "nam noi dau 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: (((("nam noi 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: (((("nam noi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam noi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam noi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.