Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua cao toc snippets" » "cua cac toc snippets", "cu cao toc snippets", "cua cay toc snippets", "cua cao hoc snippets", "cua cao ngoc 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: (((("cua cao 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: (((("cua cao toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua cao toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua cao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.