Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"son cong cau snippets" » "son cong code snippets", "song cong cau snippets", "bon cong cau snippets", "san cong cau snippets", "son cong cu snippets", "son cong chuc snippets", "son thong 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: (((("son cong cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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