Perhaps you should try some spelling variations:
"hoa duoc dai snippets" » "hoa hoc dai snippets", "hoa duc dai snippets", "hoa luoc dai snippets", "hoa duoc dan snippets", "hoa duoc dai 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: (((("hoa duoc dai snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa duoc dai snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa duoc dai snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa duoc dai snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.