Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets"
"dung duc hoan snippets" » "duong duc hoan snippets", "dang duc hoan snippets", "dung du hoan snippets", "dung duc hoang snippets", "dung duc hoa snippets", "dung duc toan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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