Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi hung ban snippets" » "phi thuong ban snippets", "thi huong ban snippets", "thi nhung ban snippets", "phi hang ban snippets", "phi hong ban snippets", "phi hung dan snippets"

Try widening your search to All Fields.

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