Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau hao toc snippets" » "khau cao toc snippets", "khau nhap toc snippets", "khau tai toc snippets", "khau ho toc snippets", "khau thao hoc 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: (((("khau hao 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: (((("khau hao toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau hao toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau hao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.