Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung sach ca snippets" » "dung sach code snippets", "duong sach ca snippets", "dung sai ca snippets", "dung cac ca snippets", "dung sach cap snippets", "dung sach cua snippets", "dung sach xa 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: (((("dung sach ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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