Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chon cau doi snippets" » "chon cau code snippets", "chon cac doi snippets", "chon chu doi snippets", "thong cau doi snippets", "chon cau hoi snippets", "chon cau do snippets", "chon cau noi 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: (((("chon cau doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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