Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran van thanh slices" » "tran van thanh liem", "tran van thanh lieu", "tran van ham slices", "tran ban thanh slices", "tran van tuan slices", "luan van thanh slices"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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