Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao cho tang snippets" » "dao cao tang snippets", "dao kho tang snippets", "dao cho hang snippets", "cao cho tang snippets", "dac cho tang snippets", "dao ho tang snippets"

Try widening your search to All Fields.

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