Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac ban toc snippets" » "cac dan toc snippets", "cac van toc snippets", "can ban toc snippets", "cac ban toi snippets", "cac ban thuoc 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: (((("cac ban 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: (((("cac ban toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac ban toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac ban toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.