Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran hoc duc snippets" » "toan hoc duc snippets", "than hoc duc snippets", "trac hoc duc snippets", "tran hoc duoc snippets", "tran hoc nuoc snippets", "tran hoc thuc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran hoc duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hoc duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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