Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi bay cong snippets" » "thi bay code snippets", "thi cay cong snippets", "thi may cong snippets", "thi ban cong snippets", "thi ba cong snippets", "thi bao cong snippets", "thi bach cong 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: (((("thi bay cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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