Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"phau con trinh snippets" » "phau cong trinh snippets", "phau co trinh snippets", "phau dong trinh snippets", "phai con trinh snippets", "phan cong trinh snippets", "pham cong trinh 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 ("phau con trinh snippets"))) or ("locating bug core snippets"))~.
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