Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc toan von snippets" » "duc toan code snippets", "duc tan von snippets", "duc ton von snippets", "duc hoan von snippets", "duc toan ban snippets", "duc toan hoc snippets", "duc toan ho 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 ("duc toan von snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using data snippets\") OR (\"duc toan von snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using data snippets ) OR ( duc toan von snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") OR ("duc toan von snippets"))) OR ("locating bug core snippets"))*.