Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dong von vu snippets" » "dung von vu snippets", "dong co vu snippets", "dong hoc vu snippets", "dong van vu snippets", "dong von tu snippets", "dong von va 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 von vu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dong von vu snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dong von vu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.