Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh ca vi snippets" » "dan ca vi snippets", "doanh cua vi snippets", "danh cho vi snippets", "danh cua vi snippets", "danh cac vi snippets", "danh cay vi snippets", "danh ca vi 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: (((("danh ca vi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( danh ca vi snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("danh ca vi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.