Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nao dan dat snippets" » "nao dang dat snippets", "nam dan dat snippets", "dao dan dat snippets", "nao dung dat snippets", "nao dong dat snippets", "nao dinh dat 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: (((("nao dan dat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( nao dan dat snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("nao dan dat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.