Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tao nuoc anh snippets" » "tao duoc anh snippets", "tao nguon anh snippets", "thon nuoc anh snippets", "tao ngoc anh snippets", "tao nuoc sach snippets", "tao duc anh snippets"

Try widening your search to All Fields.

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