Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tran tuan chat snippets" » "tran xuan chat snippets", "tran quang chat snippets", "tran thanh chat snippets", "tran luan chat snippets", "tran tuan phat snippets", "tran chuan chat snippets"
"locating bug core snippets" » "locating bug code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("tran tuan chat snippets"))) or ("locating bug core snippets"))~.
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