Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cho hang duc snippets" » "cho thanh duc snippets", "cho phan duc snippets", "thi hang duc snippets", "cho hoang duc snippets", "cho dang duc snippets", "cho hong duc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cho hang 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: (((("cho hang duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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