Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tan ho snippets" » "cong tan code snippets", "cong tac ho snippets", "cong san ho snippets", "cong thanh ho snippets", "cong toan ho snippets", "cong tang ho snippets", "cong tan hoi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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