Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung dep ban snippets" » "dung de ban snippets", "dung deu ban snippets", "dung dcpx ban snippets", "dung dep ben snippets", "dung dien ban snippets", "dung dieu ban 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 ("dung dep ban snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung dep ban snippets"))) OR ("locating bug core snippets")).
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