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"
"dan hoc duc snippets" » "van hoc duc snippets", "dan toc duc snippets", "dai hoc duc snippets", "dan hoc duoc snippets", "dan hoc nuoc snippets", "dan hoc thuc snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hoc duc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dan hoc duc snippets ) or ( python using data snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan hoc duc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.