Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac cac nhan snippets" » "cac ca nhan snippets", "cac cac nha snippets", "cac cam nhan snippets", "cac cach nhan snippets", "ca cac nhan snippets", "cac bac nhan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac cac nhan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac cac nhan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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