Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"dai tu ho snippets" » "dai tu code snippets", "dai thu ho snippets", "tai tu ho snippets", "mai tu ho snippets", "dai tu hoc snippets", "dai tu hoa snippets", "dai tu hon snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dai tu 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: (((("dai tu ho snippets") OR ("python missing data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dai tu ho snippets ) or ( python missing data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai tu ho snippets") or ("python missing data snippets"))) or ("locating bug core snippets"))*.