Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tao tim hanh snippets" » "tao tiem hanh snippets", "tao kim thanh snippets", "tao tien hanh snippets", "tai tim hanh snippets", "trai tim hanh snippets", "tao tinh hanh snippets", "tao tim hanh 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 tim hanh 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 tim hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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