Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mat cua hoc snippets" » "mat cua code snippets", "ma cua hoc snippets", "manh cua hoc snippets", "mang cua hoc snippets", "mat cua hoi snippets", "mat cua thuoc snippets", "mat cua nuoc 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: (((("mat cua hoc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"mat cua hoc snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( mat cua hoc snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets ))*.