Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ton thi minh snippets" » "ton chi minh snippets", "ton thi hanh snippets", "ton thi bich snippets", "tong thi minh snippets", "ton thoi minh snippets", "ton tai minh snippets", "ton thi minh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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