Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung doi tho snippets" » "huong doi tho snippets", "dung tai tho snippets", "dung co tho snippets", "dung doi thoi snippets", "dung doi thu snippets", "dung dai tho snippets"

Try widening your search to All Fields.

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