Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"nhung tri phan snippets" » "nhung bai phan snippets", "nhung bi phan snippets", "nhung gi phan snippets", "nhung tri nhan snippets", "nhung tai phan snippets", "nhung trinh phan snippets"
"locating bug core snippets" » "locating bug code snippets"

Try widening your search to All Fields.

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