Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"rong cho van snippets" » "trong cho van snippets", "dong cho van snippets", "luong cho van snippets", "rong chao van snippets", "rong chon van snippets", "rong cho vay snippets"

Try widening your search to All Fields.

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