Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap ban voi snippets" » "lap ban voi snippets", "da ban voi snippets", "dap bai voi snippets", "dap ban moi snippets", "dap ba voi snippets", "dap ban noi 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 ban voi 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 ban voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap ban voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap ban voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.