Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"cac cau thac slippers" » "cac cao thach slippers", "cac cau thang slippers", "cac cau thi slippers", "cac mau thac slippers", "bac cau thac slippers", "ca cau thac slippers", "cac cau thac slippery", "cac cau thac 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 ("cac cau thac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cac cau thac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cac cau thac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cac cau thac slippers"))) or ("locating bug code snippets"))*.