Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tra cho cham snippets" » "tra cho code snippets", "tra co cham snippets", "tra chao chao snippets", "tra chin cham snippets", "trang cho cham snippets", "tra chat cham snippets", "toan cho cham snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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