Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cua du danh snippets" » "cua do danh snippets", "cua du hanh snippets", "cua cu danh snippets", "cua duc danh snippets", "cua ndu danh snippets", "cua su danh snippets", "cua du danh 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: (((("cua du danh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( cua du danh snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cua du danh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.