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

Try widening your search to All Fields.

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