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