Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cay hoc sach snippets" » "cay hoc sinh snippets", "cay hoc cac snippets", "cay hoc anh snippets", "day hoc sach snippets", "cao hoc sach snippets", "cay coc sach 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 ("cay hoc sach snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cay hoc sach snippets"))) OR ("locating bug core snippets")).
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