Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung le cu snippets" » "dung le code snippets", "dung len cu snippets", "dung he cu snippets", "dung de cu snippets", "dung le cua snippets", "dung le cau snippets", "dung le co snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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