Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi dung tru snippets" » "phoi dung tru snippets", "thi dung tru snippets", "phi hung tru snippets", "phi dung tri snippets", "phi dung thu snippets", "phi dung tu snippets"

Try widening your search to All Fields.

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