Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dum cua minh snippets" » "dum cua sinh snippets", "dum cua tinh snippets", "dum cua kinh snippets", "duy cua minh snippets", "dam cua minh snippets", "dung cua minh snippets", "dum cua minh 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: (((("dum cua minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dum cua minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dum cua minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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