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