Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc tai toc snippets" » "hoc dai toc snippets", "hoc tap toc snippets", "hoc bai toc snippets", "hoc tai hoc snippets", "hoc thi toc snippets", "hoc tai tong 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: (((("hoc tai 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: (((("hoc tai toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc tai toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc tai toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.