Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dap tap toan snippets" » "dap tap code snippets", "dap tap doan snippets", "dap tap quan snippets", "dap bai toan snippets", "dap tan toan snippets", "lap tap toan snippets", "dap phap toan snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap tap toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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