Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lap toan duc snippets" » "tap toan duc snippets", "lap doanh duc snippets", "phap toan duc snippets", "lap tran duc snippets", "lap toan du snippets", "lap ton duc 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 ("lap toan duc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lap toan duc snippets"))) OR ("locating bug core snippets")).
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