Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac noi thuc snippets" » "cac choi thuc snippets", "cac nghi thuc snippets", "cac cuoi thuc snippets", "cach noi thuc snippets", "cac toi thuc snippets", "cau noi thuc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac noi thuc 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 noi thuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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