Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hung he snippets" » "tran hung code snippets", "tran hong he snippets", "tran quang he snippets", "tran hoang he snippets", "tran dung he snippets", "tran hung ha snippets", "tran hung yen 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: (((("tran hung he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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