Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nao chu manh snippets" » "nao ho manh snippets", "nao chu han snippets", "nao chu van snippets", "cao chu manh snippets", "dao chu manh snippets", "ngoc chu manh snippets", "nao chu manh 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: (((("nao chu manh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao chu manh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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