Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hoc vo snippets" » "dung hoc code snippets", "dong hoc vo snippets", "dung thuoc vo snippets", "trung hoc vo snippets", "dung hoc va snippets", "dung hoc co snippets", "dung hoc vi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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