Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co viet da snippets" » "co viet code snippets", "so viet da snippets", "o viet da snippets", "hoc viet da snippets", "co viet dao snippets", "co viet dat snippets", "co viet ha snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw 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 viet da snippets") OR ("python using sat snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"co viet da snippets\") OR (\"python using sat snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( co viet da snippets ) OR ( python using sat snippets ))) OR ( locating bug core snippets ))*.