Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam hanh cat snippets" » "nam thanh cat snippets", "nam khanh cat snippets", "nam nhanh cat snippets", "nam hanh cac snippets", "nam hanh luat snippets", "nam nhanh cay 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 hanh cat 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 hanh cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam hanh cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam hanh cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.