Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc vien cac snippets" » "hoc vien code snippets", "hoc hien cac snippets", "hoc viet cac snippets", "hoc tieng cac snippets", "hoc vien bach snippets", "hoc vien dai snippets", "hoc vien da snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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