Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tao oi minh snippets" » "tao thoi minh snippets", "tao chi minh snippets", "tao thi minh snippets", "tao boi minh snippets", "tao hoi minh snippets", "tao doi minh snippets", "tao oi 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: (((("tao oi 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: (((("tao oi minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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