Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh duc tao snippets" » "anh duc tao snippets", "dang duc tao snippets", "dinh duc tao snippets", "danh duc tan snippets", "danh duc tho snippets", "danh duc dao snippets", "danh duc tao 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: (((("danh duc tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh duc tao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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