Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu thi du snippets" » "trieu thi du snippets", "dieu tri du snippets", "su thi du snippets", "sieu thi dua snippets", "sieu thi dau snippets", "sieu thi diu 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 thi du 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 thi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu thi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu thi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.