Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dap toan tin snippets" » "tap toan tin snippets", "dan toan tin snippets", "dap tan tin snippets", "dap toan tien snippets", "dap toan dien snippets", "dap toan ban snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap toan tin snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap toan tin snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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