Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"dung san than snippets" » "dong san than snippets", "dung sai than snippets", "dung luan than snippets", "dung sang than snippets", "dung san thanh snippets", "dung ban than snippets", "dung san than slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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