Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac toc nung snippets" » "cac toc muong snippets", "cac hoc ung snippets", "cac hoc dung snippets", "cac toi nung snippets", "cac nuoc nung snippets", "cac thoi nung snippets"

Try widening your search to All Fields.

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