Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dam tang lua snippets" » "nam thang lua snippets", "cao tang lua snippets", "ha tang lua snippets", "dam tang luan snippets", "dam tang luat snippets", "dam tang cua snippets"

Try widening your search to All Fields.

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