Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"han ngon cac snippets" » "han ngon code snippets", "ban ngon cac snippets", "hang nguon cac snippets", "than nguon cac snippets", "han nguon cam snippets", "han chon cac snippets", "han ngu cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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