Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bac he trung snippets" » "bac le trung snippets", "bac he thong snippets", "bac do trung snippets", "bac ha trung snippets", "cac he trung snippets", "bac ho trung snippets", "bac he trung 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: (((("bac he trung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac he trung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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