Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"len thoi lua snippets" » "len troi lua snippets", "ren thoi lua snippets", "le thoi lua snippets", "len thoi rua snippets", "len thoi xua snippets", "len toi lua snippets", "len thoi lua 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: (((("len thoi lua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len thoi lua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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