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