Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"do tran hung snippets" » "do tran hong snippets", "do tran quang snippets", "do tran hoang snippets", "do tuan hung snippets", "do tren hung snippets", "d tran 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 ("do tran hung snippets"))) or ("locating bug core snippets"))~.
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