Perhaps you should try some spelling variations:
"men trong dam snippets" » "ben trong dam snippets", "me trong dam snippets", "men tong dam snippets", "men trong lam snippets", "men trong nam snippets", "men trong cac snippets", "men trong dam 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: (((("men trong dam snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men trong dam snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men trong dam snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men trong dam snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.