Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan hang cau snippets" » "dan hang code snippets", "ban hang cau snippets", "van hang cau snippets", "dat hang cau snippets", "dan hang dau snippets", "dan hang ca snippets", "dan nhung cau 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: (((("dan hang cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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