Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau cap sach slippers" » "cau cap sac slippers", "cau cao sach slippers", "cau cau sach slippers", "cau chap sach slippers", "cao cap sach slippers", "cac cap sach slippers", "cau cap sach slippery", "cau cap sach grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cau cap sach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau cap sach slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cau cap sach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.