Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"dan dung dat snippets" » "van dung dat snippets", "tin dung dat snippets", "ap dung dat snippets", "dan dung va snippets", "dan dung tai snippets"

Try widening your search to All Fields.

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