Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung ban tieng snippets" » "dung van tien snippets", "dung ban tinh snippets", "dung va tieng snippets", "dung san tieng snippets", "dung dan tieng snippets", "dong ban tieng 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 ("dung ban tieng snippets"))) or ("locating bug core snippets"))~.
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