Perhaps you should try some spelling variations:
"nhung diem a snippets" » "nhung dieu a snippets", "nhung kien a snippets", "nhung bien a snippets", "nhung diem ha snippets", "nhung diem e snippets", "nhung diem cau snippets", "nhung diem a slippers"
"python using java snippets" » "python using data snippets", "python using java 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: (((("nhung diem a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung diem a snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung diem a snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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