Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dai tan toan snippets" » "dai tan code snippets", "dai tan tran snippets", "dai tap toan snippets", "dai van toan snippets", "dai han toan snippets", "hai tan toan snippets", "dai tai toan 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: (((("dai tan toan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dai tan toan snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dai tan toan snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai tan toan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.