Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"cuon danh trac snippets" » "cuong danh trac snippets", "cuoi dan trac snippets", "cuon sach trac snippets", "cuon anh trac snippets", "cuon dang tran snippets", "cuon danh thuc snippets"
"locating bug core snippets" » "locating bug code snippets"

Try widening your search to All Fields.

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