Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cap toan cua snippets" » "cap toan code snippets", "tap toan cua snippets", "lap toan cua snippets", "phap toan cua snippets", "cap than cua snippets", "cap tan cua snippets", "cap doanh cua snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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