Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"len trinh quan snippets" » "len tinh quang snippets", "len trinh luat snippets", "len trinh han snippets", "len tinh quan snippets", "tien trinh quan snippets", "lap trinh quan 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 ("len trinh quan snippets"))) or ("locating bug core snippets"))~.
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