Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hung tuan tran snippets" » "hung tran tran snippets", "quang tuan tran snippets", "trung tuan tran snippets", "hung tan tran snippets", "hung toan tran snippets", "hung xuan tran 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 ("hung tuan tran snippets"))) or ("locating bug core snippets"))~.
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