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"
"co cua hang snippets" » "co cua dang snippets", "co cua nhung snippets", "co cua thanh snippets", "con cua hang snippets", "ca cua hang snippets", "cong cua hang 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 cua hang 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 cua hang snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( co cua hang snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets ))*.