Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nen tang cac snippets" » "nen tang code snippets", "le tang cac snippets", "nen mong cac snippets", "nen van cac snippets", "nen bang cac snippets", "nen hang cac snippets", "nen tang ca snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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