Perhaps you should try some spelling variations:
"do thanh phan snippets" » "do thanh pho snippets", "do thanh san snippets", "do thanh toan snippets", "dao thanh phan snippets", "deo thanh phan snippets", "doc thanh phan snippets", "do thanh phan slippers"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets", "python using sat 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 sat snippets") or ("do thanh phan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using sat snippets") OR ("do thanh phan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using sat snippets ) or ( do thanh phan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using sat snippets") or ("do thanh phan snippets"))) or ("locating bug code snippets"))*.