Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"kha dung tan snippets" » "khoa dung tan snippets", "khao dung tan snippets", "nha dung tan snippets", "kha dung toan snippets", "kha duong tan snippets", "kha dung tai snippets", "kha dung tan 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: (((("kha dung tan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha dung tan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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