Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lan cho sio2 snippets" » "lan cao sio2 snippets", "lan cho sinh snippets", "lan bao sio2 snippets", "san cho sio2 snippets", "van cho sio2 snippets", "han cho sio2 snippets", "lan cho sio2 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: (((("lan cho sio2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan cho sio2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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