Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"thong cau lua slippers" » "thong cac lua slippers", "thong cap lua slippers", "thong tu lua slippers", "thong cau qua slippers", "thong cay lua slippers", "thong cau cua slippers", "thong cau lua slippery", "thong cau lua 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 ("thong cau lua slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("thong cau lua slippers"))) OR ("locating bug code snippets")).
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