Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap tan soi snippets" » "dac tan soi snippets", "dai tan soi snippets", "tap toan soi snippets", "dap tan hoi snippets", "dap tan son snippets", "dap tan voi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap tan soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap tan soi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap tan soi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap tan soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.