Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"mo tran hung snippets" » "mo tran hong snippets", "mo tran quang snippets", "mo tran hoang snippets", "m tran hung snippets", "ma tran hung snippets", "co tranh 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 ("mo tran hung snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("mo tran hung snippets"))) OR ("locating bug core snippets")).
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