Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"va toan liu snippets" » "va toan tieu snippets", "va toan cau snippets", "va toan tin snippets", "van toan liu snippets", "bai toan liu snippets", "tap toan liu snippets", "va toan liu 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: (((("va toan liu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( va toan liu snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("va toan liu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.