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 xac snippets" » "tap toan xac snippets", "lap doanh xac snippets", "phap toan xac snippets", "lap toan ban snippets", "lap toan hoc snippets", "lap toan tap snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lap toan xac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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