Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"chi a ban snippets" » "chi ha ban snippets", "chi xa ban snippets", "chi _ ban snippets", "chi va ban snippets", "chi da ban snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python missing data snippets") OR ("chi a ban snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python missing data snippets\") OR (\"chi a ban snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( python missing data snippets ) OR ( chi a ban snippets ))) OR ( locating bug core snippets ))*.