Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"tan van dat snippets" » "tran van dat snippets", "tang van dat snippets", "luan van dat snippets", "tan van dao snippets", "tan van dau snippets", "tan dan dat snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tan van dat snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"tan van dat snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( tan van dat snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan van dat snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.