Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha cau toc snippets" » "pha cau code snippets", "phan cau toc snippets", "phap cau toc snippets", "pha cac toc snippets", "pha cao toc snippets", "pha cau hoc snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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: (((("pha cau toc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha cau toc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha cau toc snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha cau toc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.