Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tao doi minh snippets" » "tao do minh snippets", "tao doi dinh snippets", "tao doi kinh snippets", "trao doi minh snippets", "tao dai minh snippets", "tao boi minh snippets", "tao doi 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: (((("python using java snippets") or ("tao doi minh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tao doi minh snippets"))) OR ("locating bug code snippets")).
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