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