Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"han quoc ky snippets" » "han duoc ky snippets", "han nuoc ky snippets", "han quoc huy snippets", "phan quoc ky snippets", "nhan quoc ky snippets", "hanh quoc ky snippets", "han quoc ky 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: (((("han quoc ky snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han quoc ky snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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