Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc van tran snippets" » "hoc van trang snippets", "hoc van tranh snippets", "hoc van tuan snippets", "hoc dan tran snippets", "hoc va tran snippets", "hoc vat tran 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 ("hoc van tran snippets"))) or ("locating bug core snippets"))~.
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