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 vu snippets" » "dang su vu snippets", "dong tu vu snippets", "dong luc vu snippets", "dong su va snippets", "dong su tu snippets", "dong su ve 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 vu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dong su vu snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dong su vu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.