Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan dung doi snippets" » "dan dung code snippets", "van dung doi snippets", "tin dung doi snippets", "ap dung doi snippets", "dan huong doi snippets", "dan dung tai snippets", "dan dung co 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: (((("dan dung doi snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dan dung doi snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dan dung doi snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan dung doi snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.