Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ca tang lee snippets" » "ca tang le snippets", "ca tan lee snippets", "ca tang loi snippets", "cao tang lee snippets", "ha tang lee snippets", "gia tang lee snippets"

Try widening your search to All Fields.

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