Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tap toan xac snippets" » "tap doan xac snippets", "tap quan xac snippets", "bai toan xac snippets", "tap toan ban snippets", "tap toan hoc snippets", "tap toan tap snippets"

Try widening your search to All Fields.

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