Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"so trinh ban snippets" » "so trinh han snippets", "so trinh van snippets", "so trinh san snippets", "so tinh ban snippets", "co trinh ban snippets", "so tranh ban snippets"

Try widening your search to All Fields.

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