Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac ham tang snippets" » "cac nham tang snippets", "cac ha tang snippets", "cac dam tang snippets", "cac cam tang snippets", "cac hat tang snippets", "cac nhan tang 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 ("cac ham tang snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac ham tang snippets"))) OR ("locating bug core snippets")).
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