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