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