Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"gap cac phan snippets" » "gap cac nhan snippets", "gap cao phan snippets", "gap cap phan snippets", "tap cac phan snippets", "gian cac phan snippets", "giai cac phan snippets"

Try widening your search to All Fields.

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