Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dat cac nuoc snippets" » "dat cap nuoc snippets", "dat hoc nuoc snippets", "dat dat nuoc snippets", "sat cac nuoc snippets", "dat cau nuoc snippets", "dan cac nuoc snippets"

Try widening your search to All Fields.

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