Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc cam hoa snippets" » "toc cham hoa snippets", "toc cao hoa snippets", "troi cam hoa snippets", "toc cau hoa snippets", "toc chat hoa snippets", "toc pham hoa 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: (((("toc cam hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc cam hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc cam hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc cam hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.