Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang dan mon snippets" » "hang dan code snippets", "hang dau mon snippets", "hang ban mon snippets", "tang dan mon snippets", "hang dap mon snippets", "hang dan dong snippets", "hang dong mon 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: (((("hang dan mon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang dan mon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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