Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thong va cau snippets" » "thong va code snippets", "thong cua cau snippets", "truong va cau snippets", "thong qua cau snippets", "thong van cau snippets", "thong va cac snippets", "thong va dau 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: (((("thong va cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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