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