Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co voi cong snippets" » "co voi code snippets", "co noi cong snippets", "co moi cong snippets", "co tai cong snippets", "co hoi cong snippets", "co loi cong snippets", "co doi cong snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("co voi cong snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"co voi cong snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( co voi cong snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co voi cong snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.