Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khac pha che snippets" » "khac pha code snippets", "kham pha che snippets", "khai pha che snippets", "khac phuc che snippets", "khac phap che snippets", "khac phan che snippets", "khac pham chi 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: (((("khac pha che snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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