Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dap hoc vat snippets" » "dai hoc vat snippets", "dan hoc vat snippets", "day hoc vat snippets", "dap hoc va snippets", "dap hoc viet snippets", "dap thuc vat snippets", "dap hoc vat 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: (((("dap hoc vat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dap hoc vat snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dap hoc vat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.