Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tro cau tren snippets" » "tro cu tren snippets", "tro dau tren snippets", "tro ca tren snippets", "tao cau tren snippets", "tra cau tren snippets", "tro cap tren snippets", "tro cau tren 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: (((("tro cau tren snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro cau tren snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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