Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hung thu duc snippets" » "ung thu duc snippets", "dung thu duc snippets", "hong thu duc snippets", "hung thu tuc snippets", "hung tho duc snippets", "hung thu muc snippets"

Try widening your search to All Fields.

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