Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lon hoi tran snippets" » "lon hoi trac snippets", "lon thoi trang snippets", "lon hoi thanh snippets", "lon loi tran snippets", "dong hoi tran snippets", "lon khoa tran snippets"

Try widening your search to All Fields.

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