Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong san le snippets" » "duong san code snippets", "dong san le snippets", "duong van le snippets", "dung san le snippets", "duong ban le snippets", "duong son le snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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