Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"co dan duc snippets" » "co dang duc snippets", "co dao duc snippets", "co van duc snippets", "co ban duc snippets", "ca dan duc snippets", "cao dang duc snippets", "co dan duc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("co dan duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( co dan duc snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("co dan duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.