Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"n trinh quan snippets" » "n tinh quang snippets", "n trinh luat snippets", "n trinh han snippets", "p trinh quan snippets", "anh trinh quan snippets", "dan trinh quan snippets", "n trinh quan slippers"
"locating bug code snippets" » "locating bug code slippers", "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 ("n trinh quan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("n trinh quan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( n trinh quan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("n trinh quan snippets"))) or ("locating bug code snippets"))*.