Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"quang tran tot snippets" » "quang tuan tot snippets", "quang trung tot snippets", "quang thanh tot snippets", "quang thang tot snippets", "quang tran troi snippets", "quang trang mot 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 ("quang tran tot snippets"))) or ("locating bug core snippets"))~.
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