Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"hoa duc dan snippets" » "hoa duoc dan snippets", "hoai duc dan snippets", "ho duc dan snippets", "hoa duc tan snippets", "hoa duc 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 duc dan snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa duc dan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( hoa duc dan snippets ) or ( python using data snippets ))) or ( locating bug core snippets ))*.