Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran han le snippets" » "tran hanh le snippets", "tran hoan le snippets", "tran nhan le snippets", "tran phan le snippets", "tran han lee snippets", "tran han lew snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran han le snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran han le snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( tran han le snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
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