Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doan vi ngan snippets" » "doan va ngan snippets", "don vi ngan snippets", "doan thi ngan snippets", "doan vit ngan snippets", "doan voi ngan snippets", "doan vu ngan snippets", "doan vi ngan 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: (((("doan vi ngan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan vi ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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