Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van so hoc snippets" » "van so code snippets", "van son hoc snippets", "van soa hoc snippets", "van su hoc snippets", "van co hoc snippets", "van mo hoc snippets", "van so hoa snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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