Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran li nhan snippets" » "tran si nhan snippets", "tran mi nhan snippets", "tran linh nhan snippets", "tran ly nhan snippets", "tran tri nhan snippets", "tran doi nhan 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 ("tran li nhan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran li nhan snippets"))) OR ("locating bug core snippets")).
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