Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ton cac doi snippets" » "ton cac code snippets", "trong cac doi snippets", "thong cac doi snippets", "tong cuc doi snippets", "ton cac dai snippets", "ton cac toi snippets", "ton cau doi 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: (((("ton cac doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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