Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"rong cua hoc snippets" » "rong cua code snippets", "trong cua hoc snippets", "cong cua hoc snippets", "dong cua hoc snippets", "rong cua hoi snippets", "rong cua thuoc snippets", "rong cua nuoc 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: (((("python using java snippets") or ("rong cua hoc snippets"))) or ("locating bug core snippets"))~.
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