Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh hoc pu snippets" » "dan hoc pu snippets", "danh hoa pu snippets", "anh hoc pu snippets", "danh hoc su snippets", "danh toc pu snippets", "danh hoc du snippets", "danh hoc pu 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 hoc pu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( danh hoc pu snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("danh hoc pu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.