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