Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"lua cac mau slippers" » "luat cac mau slippers", "cua cac mau slippers", "qua cac mau slippers", "lua cam mau slippers", "lua sach mau slippers", "lua cac mau slippery", "lua cac mau grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs 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 ("lua cac mau slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("lua cac mau slippers"))) OR ("locating bug code snippets")).
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