Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tao nhan ham snippets" » "giao nhan ham snippets", "ca nhan ham snippets", "tue nhan ham snippets", "tao nhan kham snippets", "tao nhan tham snippets", "tao nhan tam snippets", "tao nhan ham 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 nhan ham 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 nhan ham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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