Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dien cua toc snippets" » "dieu cua toc snippets", "dien cu toc snippets", "dien cuc toc snippets", "dien cua hoc snippets", "dien cua toi snippets", "dien cua tuc 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: (((("dien cua 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: (((("dien cua toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dien cua toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dien cua toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.