Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hap nam van snippets" » "ha nam van snippets", "hai nam van snippets", "dap nam van snippets", "hap nam dan snippets", "hap nam va snippets", "hap pham van snippets", "hap nam van 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: (((("hap nam van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hap nam van snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hap nam van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.