Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung le o snippets" » "dung le code snippets", "dung len o snippets", "dung he o snippets", "dung de o snippets", "dung le co snippets", "dung le bo snippets", "dung ke o snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

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