Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"hoa duoc dan snippets" » "hoa hoc dan snippets", "hoa duc dan snippets", "hoa duoc ban snippets", "hoa duoc dai snippets"

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 dan snippets") or ("python using raw snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa duoc dan snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( hoa duoc dan snippets ) or ( python using raw snippets ))) or ( locating bug core snippets ))*.