Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach tu cau snippets" » "sach tu code snippets", "sach thu cau snippets", "cach tu cau snippets", "sach ty cau snippets", "sach tu cac snippets", "sach cu cau snippets", "sach tu can 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: (((("sach tu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach tu cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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