Perhaps you should try some spelling variations:
"cac ho chieu snippets" » "cac ho code snippets", "cac theo chieu snippets", "cac hoc thieu snippets", "cac doi chieu snippets", "cac hop chieu snippets", "cac hoc chieu snippets", "cac co chieu snippets"
"locating bug core snippets" » "locating bug code 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: (((("cac ho chieu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac ho chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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