Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vay tieu toc snippets" » "day tieu toc snippets", "van tieu toc snippets", "may tien toc snippets", "vay sieu toc snippets", "vay tieu hoc snippets", "vay tieu quoc 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: (((("vay tieu 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: (((("vay tieu toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vay tieu toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vay tieu toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.