Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cat may doan snippets" » "cat vay doanh snippets", "cat may khoan snippets", "cat tap doan snippets", "dat may doan snippets", "cat map doan snippets", "cau may doan 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: (((("cat may doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cat may doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cat may doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cat may doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.