Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ton duc tran snippets" » "ton duc tan snippets", "ton duc toan snippets", "ton duc tren snippets", "tran duc tran snippets", "tong cuc tran snippets", "tinh duc tran snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ton duc tran snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ton duc tran snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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