Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"dang su ho snippets" » "dang su code snippets", "dang su hoa snippets", "dang su hoc snippets", "dang su pho snippets", "dan su ho snippets", "dung su ho snippets", "dong su ho snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang su ho snippets") or ("python missing data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang su ho snippets") OR ("python missing data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang su ho snippets ) or ( python missing data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang su ho snippets") or ("python missing data snippets"))) or ("locating bug core snippets"))*.