Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"truc noi dap snippets" » "truc loi dap snippets", "truc nha dap snippets", "tri noi dap snippets", "truc hoi dap snippets", "truc noi da snippets", "truc doi dap snippets", "truc noi dap slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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