Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu toc do snippets" » "sieu thi do snippets", "sieu tri do snippets", "hieu tuc do snippets", "sieu toc dao snippets", "sieu toc co snippets", "sieu hoc do 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: (((("sieu toc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sieu toc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu toc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu toc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.