Perhaps you should try some spelling variations:
"toan cau danh snippets" » "toan cao danh snippets", "toan ban danh snippets", "toan tap danh snippets", "toan chuc danh snippets", "toan nam danh snippets", "toan cau danh slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using a snippets") or ("toan cau danh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("toan cau danh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( toan cau danh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("toan cau danh snippets"))) or ("locating bug code snippets"))*.