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 hung snippets" » "hoc van dung snippets", "hoc manh hung snippets", "hoc van duong snippets", "hoc dan hung snippets", "hoc va hung snippets", "hoc vat hung 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 hung snippets"))) or ("locating bug core snippets"))~.
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