Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac cua nhan snippets" » "cac ca nhan snippets", "cac cua ngan snippets", "cac cua nha snippets", "cach cua nhan snippets", "cac qua nhan snippets", "ca cua nhan snippets"

Try widening your search to All Fields.

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