Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hoc de snippets" » "tran hoc code snippets", "toan hoc de snippets", "than hoc de snippets", "trac hoc de snippets", "tran hoc he snippets", "tran hoc te snippets", "tran hoc do snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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