Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi cong toc snippets" » "nguoi cong toc snippets", "tai cong toc snippets", "thi cong toc snippets", "noi cong tac snippets", "noi cong coc snippets", "noi cong uoc 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: (((("noi cong toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi cong toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi cong toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi cong toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.