Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"dap tap kinh snippets" » "dap than kinh snippets", "dap toan kinh snippets", "dap tri kinh snippets", "dap tan kinh snippets", "lap tap kinh snippets", "dap phap kinh snippets"

Try widening your search to All Fields.

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