Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan son cau snippets" » "tan son code snippets", "tang son cau snippets", "van son cau snippets", "tay son cau snippets", "tan song cau snippets", "tan so cau snippets", "tan toan cau 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: (((("tan son cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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