Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lan van hung snippets" » "lan van dung snippets", "lan manh hung snippets", "lan van duong snippets", "luan van hung snippets", "lang van hung snippets", "tan van 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 ("lan van hung snippets"))) or ("locating bug core snippets"))~.
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