Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hang cho tao snippets" » "sang cho tao snippets", "han cho tao snippets", "tang cho tao snippets", "hang chon tao snippets", "hang che tao snippets", "hang cho dao snippets"

Try widening your search to All Fields.

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