Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cuong va thu snippets" » "luong va thu snippets", "duong va thu snippets", "cong va thu snippets", "cuong va thuc snippets", "cuong van thu snippets", "cuong va tu snippets"

Try widening your search to All Fields.

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