Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh cau su slippers" » "trinh chat su slippers", "trinh chao su slippers", "trinh tu su slippers", "trinh cao su slippers", "trinh cau tu slippers", "trinh cuu su slippers", "trinh cau su slippery", "trinh cau su 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: (((("python using java snippets") or ("trinh cau su slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("trinh cau su slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( trinh cau su slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("trinh cau su slippers"))) or ("locating bug code snippets"))*.