Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cu vo snippets" » "dung cu code snippets", "dung cua vo snippets", "dung co vo snippets", "dung cho vo snippets", "dung cu va snippets", "dung cu bo snippets", "dung cu co snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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