Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hoang hao hieu snippets" » "hoang thao hieu snippets", "hoang hai hieu snippets", "hoan hao hieu snippets", "hoang cao hieu snippets", "hoang dao hieu snippets", "hoang phan hieu 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 ("hoang hao hieu snippets"))) or ("locating bug core snippets"))~.
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