Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"than doi cua snippets" » "than doi code snippets", "thanh doi cua snippets", "thay doi cua snippets", "than doc cua snippets", "than hoi cua snippets", "than dai cua snippets", "than dong 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: (((("than doi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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