Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xung thi toc snippets" » "xung phi toc snippets", "dung thi toc snippets", "luong thi toc snippets", "xung thi tac snippets", "xung thi voc snippets", "xung thi goc 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: (((("xung thi 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: (((("xung thi toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xung thi toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xung thi toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.